brake MERCEDES-BENZ GLE 2017 Owners Manual

1, 2, 3 ...4ETS (Electronic Traction System)
see ETS/4ETS (Electronic Trac-
tion System)
4MATIC (permanent four-wheel
drive) .................................................. 209
12 V socket
see Sockets
115 V socket ...................................... 302
360° camera
Cleaning ........................................ .3 23
Display in the multimedia system .. 196
Function/notes ............................ .1 95
AABS (Anti-lock Braking System)
Display message ............................ 239
Function/notes ................................ 63
Important safety notes .................... 63
Warning lamp ................................. 271
Accident
Automatic measures after an acci-
dent ................................................. 56
Activating media mode
General notes ................................ 286
Activating/deactivating cooling
with air dehumidification ................. 124
Active Blind Spot Assist
Activating/deactivating (on-
board computer) ............................ 232
Display message ............................ 259
Function/information .................... 204
Trailer towing ................................. 207
Active Brake Assist
Activating or deactivating .............. 231
Display message ............................ 244
Function/notes ................................ 64
Active Brake Assist with cross-
traffic function
Activating or deactivating .............. 231
Display message ............................ 245
Function/notes ................................ 69
Important safety notes .................... 70
Warning lamp ................................. 279
Active Curve System
Display message ............................ 256 Function/notes ............................. 182
Active Lane Keeping Assist
Activating/deactivating (on-
board computer) ............................ 232
Display message ............................ 258
Function/information .................... 207
Trailer towing ................................. 209
Active light function ......................... 109
ADAPTIVE BRAKE ................................. 69
Adaptive Brake Assist
Function/notes ................................ 65
Adaptive Damping System
Function/notes ............................. 184
Adaptive damping system
see ADS (Adaptive Damping System)
Adaptive Highbeam Assist
Display message ............................ 251
Function/notes ............................. 110
Switching on/off ........................... 111
Additives (engine oil) ........................ 378
Address book
see also Digital Operator's Man-
ual .................................................. 281
Adjusting the volume
Audio 20 ........................................ 282
COMAND ....................................... 282
A D S (Adaptive Damping System)
Function/notes ............................. 180
Air bags
Deployment ..................................... 53
Display message ............................ 248
Front air bag (driver, front
passenger) ....................................... 47
Important safety notes .................... 46
Introduction ..................................... 46
Knee bag .......................................... 47
Occupant Classification System
(OCS) ............................................... 48
PASSENGER AIR BAG indicator
lamps ............................................... 42
Side impact air bag .......................... 48
Window curtain air bag .................... 48
Air filter (display message) .............. 254
AIR FLOW ........................................... 125
Air vents
Glove box ....................................... 129
Important safety notes .................. 1294
Index

AUX ja cks
CD/DVD driv e .............................. .2 87
Axle load, permissible (trailer tow-
ing) ...................................................... 384
BBack button ....................................... 282
Bag hook ............................................ 293
Ball coupling
Installing ........................................ 217
Removing ....................................... 221
BAS (Brake Assist System) ................. 63
Battery (SmartKey)
Checking .......................................... 77
Important safety notes .................... 77
Replacing ......................................... 77
Battery (vehicle)
Charging ........................................ 333
Display message ............................ 252
Important safety notes .................. 331
Jump starting ................................. 333
Overview ........................................ 331
Belt
see Seat belts
Blind Spot Assist
Activating/deactivating ................. 232
Display message ............................ 259
Notes/function .............................. 201
Trailer towing ................................. 203
see Active Blind Spot Assist
Blootooth ®
Connecting a different mobile
phone ............................................ 286
BlueTEC
Adding DEF ................................... .1 50
BlueTEC (DEF) ................................... .3 76
Bluetooth ®
Searching for a mobile phone ....... .2 85
see also Digital Operator's Man-
ual ................................................. .2 81
Telephony ...................................... 284
Brake Assist
see BAS (Brake Assist System)
Brake fluid
Display message ............................ 244
Notes ............................................. 378 Brake force distribution
see EBD (electronic brake force
distribution)
Brake lamps
Display message ............................ 250
Brakes
ABS ................................................. .6 3
Adaptive Brake Assist ...................... 65
BAS .................................................. 63
Brake fluid (notes) ......................... 378
Display message ............................ 239
High-performance brake system .... 160
Hill start assist ............................... 136
Important safety notes .................. 158
Maintenance .................................. 159
Parking bra ke ................................ 154
R i ding tips ...................................... 158
Warning lamp ................................. 270
Breakdown
Where will I find...? ........................ 326
see Flat tire
see Towing away
Brightness control (instrument
cluster lighting) ................................... 34
Bulbs
see Replacing bulbs
C
California
Important notice for retail cus-
tomers and lessees .......................... 26
Calling up a malfunction
see Display messages
Car
see Vehicle
Care
360° camera ................................. 323
Car wash ........................................ 319
Carpets .......................................... 325
Display ........................................... 324
Exhaust pipe .................................. 323
Exterior lights ................................ 322
Gear or selector lever .................... 324
Interior ........................................... 324
Matte finish ................................... 321
Notes ............................................. 319
Paint .............................................. 3216
Index

Tires ............................................... 262
Vehicle .......................................... .2 64
Distance Pilot DISTRONIC
Activating ....................................... 170
Activation conditions ..................... 170
Cruise control lever ....................... 169
Display Message ............................ 260
Displays in the instrument cluster .. 173
Driving tips ................................... .1 74
Function/notes ............................ .1 68
Important safety notes .................. 168
Setting the specified minimum
distance ......................................... 172
Stopping ........................................ 171
Switching off .................................. 172
Warning lamp ................................. 279
Distance recorder
see Odometer
see Trip odometer
Distance warning (warning lamp) .... 279
Distance warning function
Function/notes ................................ 64
Warning lamp ................................. 279
Doors
Automatic locking (on-board com-
puter) ............................................. 233
Automatic locking (switch) .............. .8 1
Central locking/unlocking
(SmartKey) ...................................... .7 4
Control panel .................................. .4 0
Display message ............................ 266
Emergency locking ........................... 81
Emergency unlocking ....................... 81
Important safety notes .................... 80
Opening (from inside) ...................... 80
Overview .......................................... 80
Power closing .................................. 81
Downhill speed regulation
see DSR (Downhill Speed Regulation)
Drinking and driving ......................... 157
Drive program
Automatic transmission ................. 143
Off-Road program (vehicles with-
out Off-Roa d Eng ineering pack-
a ge) ............................................... 211
Off-road programs (vehicles with
Off-Road Engineering package) ...... 212
SETUP (on-board computer) .......... 235 Drive programs
Display (DIRECT SELECT lever) ...... 142
Driver's door
see Doors
Driving
Important safety notes .................. 131
Driving abroad
Mercedes-Benz Service ................. 319
Driving Assistance PLUS package ... 204
Driving in mountainous terrain
Approach/departure angle ............ 165
Driving lamps
see Daytime running lamps
Driving off-road
see Off-road driving
Driving safety system
Active Brake Assist .......................... 64
Driving safety systems
ABS (Anti-lock Braking System) ....... 63
Active Brake Assist with cross-
traffic function ................................. 69
ADAPTIVE BRAKE ............................. 69
Adaptive Brake Assist ...................... 65
BAS (Brake Assist System) .............. 63
Distance warning function ............... 64
EBD (electronic brake force distri-
bution) ............................................. 69
ESP ®
(Electronic Stability Pro-
gram) ............................................... 66
Important safety information ........... 62
Overview .......................................... 62
STEER CONTROL ............................. 72
Driving system
AIRMATIC package ........................ 180
Distance Pilot DISTRONIC ............. 168
Distance Pilot DISTRONIC with
Steering Pilot ................................. 174
Parking assist PARKTRONIC .......... 184
Parking Pilot .................................. 187
Driving systems
360°camera .................................. 195
Active Blind Spot Assist ................. 204
Active Curve System ...................... 182
Active Lane Keeping Assist ............ 207
ADS ............................................... 180
AMG adaptive sport suspension
system ........................................... 184
ATTENTION ASSIST ........................ 199 Index 9

Blind Spot Assist ............................ 201
Cruise control ................................ 166
Display message ............................ 255
Driving Assistance Plus package ... 204
HOLD function ............................... 179
Lane Keeping Assist ...................... 203
Level control (vehicle with the Off-
Road Engineering package) ........... 176
Rear view camera .......................... 191
Traffic Sign Assist .......................... 200
Driving tips
Automatic transmission ................. 143
Brakes ........................................... 158
Break-in period .............................. 131
Distance Pilot DISTRONIC ............. 174
Downhill gradient ........................... 158
Drinking and driving ....................... 157
Driving in winter ............................. 161
Driving on flooded roads ................ 160
Driving on sand .............................. 164
Driving on wet roads ...................... 160
Driving over obstacles ................... 164
Exhaust check ............................... 157
Fuel ................................................ 156
General .......................................... 156
Hydroplaning ................................. 160
Icy road surfaces ........................... 161
Limited braking efficiency on sal-
ted roads ....................................... 159
Off-road driving .............................. 162
Off-road fording ............................. 161
Snow chains .................................. 343
The first 1000 miles (1500 km) ..... 131
Tire ruts ......................................... 164
Towing a trailer .............................. 216
Traveling uphill ............................... 165
Wet road surface ........................... 159
DSR (Downhill Speed Regulation)
Display message ............................ 257
Function/notes ............................. 210
DVD video
Operating (on-board computer) ..... 229
see also Digital Operator's Man-
ual .................................................. 281
DYNAMIC SELECT controller
Automatic transmission ................. 139 E EASY-ENTRY feature
Activating/deactivating ................. 234
Function/notes ............................. 101
EASY-EXIT feature
Crash-responsive ........................... 102
Function/notes ............................. 101
Switching on/off ........................... 234
EASY-PACK cargo compartment
management system ........................ 295
EBD (electronic brake force distri-
bution)
Display message ............................ 241
Function/notes ................................ 69
ECO display
Function/notes ............................. 157
On-board computer ....................... 226
ECO start/stop function
Automatic engine start .................. 137
Automatic engine switch-off .......... 136
Deactivating/activating ................. 137
General information ....................... 136
Important safety notes .................. 136
Introduction ................................... 136
Electronic Stability Program
see ESP ®
(Electronic Stability Program)
Emergency
Automatic measures after an acci-
dent ................................................. 56
Emergency release
Driver's door .................................... 81
Vehicle ............................................. 81
Emergency spare wheel
General notes ................................ 367
Important safety notes .................. 366
Removing ....................................... 367
Storage location ............................ 367
Stowing .......................................... 367
Emergency Tensioning Devices
Activation ......................................... 53
Emergency unlocking
Tailgate ............................................ 85
Emissions control
Service and warranty information .... 26
Engine
Check Engine warning lamp ........... 277
Display message ............................ 25110
Index

Grade (gasoline) ............................ 374
Important safety notes .................. 374
Low outside temperatures ............ .3 75
Problem (malfunction) ................... 150
Quality (diesel) ............................... 375
Refueling ........................................ 147
Tank content/reserve fuel ............. 374
Fuel filler flap
Opening ......................................... 149
Fuel filter (display message) ............ 254
Fuel level
Calling up the range (on-board
computer) ...................................... 227
Fuel tank
Capacity ........................................ 374
Problem (malfunction) ................... 150
Fuses
Allocation chart ............................. 339
Before changing ............................. 339
Dashboard fuse box ....................... 339
Fuse box in the engine compart-
ment .............................................. 340
Fuse box under rear bench seat .... 340
Important safety notes .................. 339
G
Garage door opener
Clearing the memory ..................... 313
General notes ................................ 310
Important safety notes .................. 310
Opening/closing the garage doo r. .3 12
Problems when programming ....... .3 12
Programming (button in the rear-
view mirror) ................................... 311
Synchronizing the rolling code ....... 311
Gear indicator (on-board com-
puter, Mercedes-AMG vehicles) ....... 235
Genuine parts ...................................... 25
Glove box .......................................... .2 89
Google™ Local Search
see also Digital Operator's Man-
ual ................................................. .2 81
GTW (Gross Trailer Weight) (defini-
tion) .................................................... 360 H Handbrake
see Parking brake
Hazard warning lamps ..................... .1 09
Head restraints
Adjusting ......................................... 96
Adjusting (electrically) ..................... 97
Adjusting (manually) ........................ 96
Adjusting (rear) ................................ 97
Installing/removing (rear) ................ 98
Luxury .............................................. 97
Headlamps
Fogging up ..................................... 111
see Automatic headlamp mode
Heating
see Climate control
High beam flasher ............................ .1 08
High-beam headlamps
Adaptive Highbeam Assist ............. 110
Display message ............................ 250
Replacing bulbs ............................ .1 13
Switching on/off ........................... 108
Highway mode ................................... 110
Hill start assist .................................. 136
HOLD function
Deactivating ................................... 179
Display message ............................ 258
Function/notes ............................ .1 79
Home address
see also Digital Operator's Man-
ual ................................................. .2 81
Hood
Closing .......................................... .3 15
Display message ............................ 266
Important safety notes .................. 314
Opening ......................................... 314
Horn ...................................................... 33
Hydroplaning ..................................... 160
I
Ignition lock
see Key positions
Immobilizer .......................................... 72
Indicator lamps
see Warning and indicator lamps12
Index

Off-road programs (vehicles with
Off-Road Engineering package)
Function/notes ............................. 212
Off-road drive program .................. 212
Offroad Plus drive program ............ 212
Off-road programs (vehicles with
the Off-Road Engineering package)
Displays in the COMAND display ... 215
Off-road system
4MATIC .......................................... 209
DSR ............................................... 210
LOW RANGE off-road gear ............. 213
Off-road 4ETS .................................. 66
Off-road ABS .................................... 63
Off-road ESP ®
.................................. 68
Off-Road program (vehicles with-
out Off-Road Engineering pack-
age) ............................................... 211
Off-road programs (vehicles with
Off-Road Engineering package) ...... 212
Oil
see Engine oil
On and Offroad menu (on-board
computer) .......................................... 235
On-board computer
AMG menu ..................................... 235
Assistance menu ........................... 230
Audio menu ................................... 228
Convenience submenu .................. 234
Display messages .......................... 237
Displaying a service message ........ 318
Distance Pilot DISTRONIC ............. 173
Factory settings submenu ............. 235
Important safety notes .................. 223
Instrument cluster submenu .......... 232
Lighting submenu .......................... 233
Menu overview .............................. 226
Message memory .......................... 238
Navigation menu ............................ 227
On and Offroad menu .................... 235
Operation ....................................... 224
RACETIMER ................................... 236
Settings menu ............................... 232
Standard display ............................ 226
Telephone menu ............................ 229
Trip menu ...................................... 226
Vehicle submenu ........................... 233
Video DVD operation ..................... 229 Operating safety
Declaration of conformity ................ 28
Important safety notes .................... 28
Operating system
see On-board computer
Operator's Manual
Overview .......................................... 26
Vehicle equipment ........................... 26
O uts
ide temperature display ........... 223
Overhead control panel ...................... 39
Override feature
Rear side windows ........................... 62
P Paddle shifters
see Steering wheel paddle shifters
Paint code number ............................ 372
Paintwork (cleaning instructions) ... 321
Panic alarm .......................................... 41
Panorama roof with power tilt/
sliding panel
Important safety notes .................... 89
Opening/closing the roller sun-
blind ................................................. 92
Operating ......................................... 91
Operating the roller sunblinds for
the sliding sunroof ........................... 91
Problem (malfunction) ..................... 92
Reversing feature ............................. 89
Parking
Important safety notes .................. 153
Parking brake ................................ 154
Position of exterior mirror, front-
passenger side ............................... 104
Rear view camera .......................... 191
see PARKTRONIC
Parking aid
Parking Pilot .................................. 187
see 360° camera
see Exterior mirrors
see PARKTRONIC
Parking Assist PARKTRONIC
Deactivating/activating ................. 186
Driving system ............................... 184
Function/notes ............................. 184
Important safety notes .................. 184
Problems (malfunctions) ................ 18716
Index

Sensor range ................................. 185
Towing a trailer .............................. 184
Warning display ............................. 186
Parking brake
Applying automatically ................... 155
Applying or releasing manually ...... 155
Display message ............................ 241
Electric parking brake .................... 154
Emergency braking ........................ 156
General notes ................................ 154
Releasing automatically ................. 155
Warning lamp ................................. 276
Parking lamps
Switching on/off ........................... 108
Parking Pilot
Display Message ............................ 259
Exiting a parking space .................. 190
Function/notes ............................. 187
Important safety notes .................. 187
Parking .......................................... 189
PASSENGER AIR BAG
Display message ............................ 248
Indicator lamps ................................ 42
Problem (malfunction) ................... 248
Pets in the vehicle ............................... 62
Phone book
see also Digital Operator's Man-
ual .................................................. 281
Plastic trim (cleaning instruc-
tions) .................................................. 324
Power locks ......................................... 81
Power washers .................................. 320
Power windows
see Side windows
PRE-SAFE ®
(anticipatory occupant
protection)
Display message ............................ 245
Operation ......................................... 55
PRE-SAFE ®
PLUS (anticipatory
occupant protection PLUS)
Display message ............................ 245
Operation ......................................... 56
Protection against theft
ATA (Anti-Theft Alarm system) ......... 72
Immobilizer ...................................... 72
Protection of the environment
General notes .................................. 25 Pulling away
Automatic transmission ................. 135
General notes ................................ 135
Hill start assist ............................... 136
Trailer ............................................ 135
Q QR code
Mercedes-Benz Guide App ................. 1
Rescue card ..................................... 30
Qualified specialist workshop ........... 29
R RACETIMER (on-board computer) .... 236
Radiator cover ................................... 315
Radio
Selecting a station ......................... 228
see separate operating instructions
Radio mode
see also Digital Operator's Man-
ual .................................................. 281
Radio-wave reception/transmis-
sion in the vehicle
Declaration of conformity ................ 28
Reading lamp ..................................... 111
Rear bench seat
Folding forwards/back .................. 292
Rear compartment
Setting the air vents ...................... 130
Setting the temperature ................ 125
Rear fog lamp
Display message ............................ 250
Switching on/off ........................... 108
Rear Seat Entertainment System
AUX jacks ...................................... 287
AUX jacks CD/DVD drive .............. 287
Rear seats
Adjusting ......................................... 98
Rear view camera
Cleaning instructions ..................... 323
Display in the multimedia system .. 192
Function/notes ............................. 191
Switching on/off ........................... 192
Rear window defroster
Problem (malfunction) ................... 128
Switching on/off ........................... 127 Index 17

Warning lamp (function) .................. .4 5
Seats
Adjusting (electrically) ..................... 96
Adjusting the 4-way lumbar sup-
port .................................................. 98
Adjusting the head restraint ............ 96
Calling up a stored setting (mem-
ory function) ................................. .1 06
Cleaning the cover ......................... 325
Correct driver's seat position ........... 94
Folding the rear bench seat for-
wards/back ................................... 291
Important safety notes .................... 94
Overview .......................................... 94
Seat heating problem .................... 100
Seat ventilation problem ................ 100
Storing settings (memory func-
tion) ............................................... 105
Switching seat heating on/off ......... 98
Switching seat ventilation on/off .... 99
Section
Sliding sunroof ................................. 89
Securing hooks .................................. 293
Selector lever
Cleaning ......................................... 324
Sensors (cleaning instructions) ....... 323
Service message
see ASSYST PLUS
Service products
Brake fluid ..................................... 378
Coolant (engine) ............................ 378
DEF special additives ..................... 376
Engine oil ....................................... 377
Fuel ................................................ 374
Important safety notes .................. 373
Refrigerant (air-conditioning sys-
tem) ............................................... 379
Washer fluid ................................... 379
Setting the air distribution .............. .1 26
Setting the airflow ............................ 126
Setting the date/time format
see also Digital Operator's Man-
ual ................................................. .2 81
Setting the language
see also Digital Operator's Man-
ual ................................................. .2 81 Settin g the time
see a l
so Digital Operator's Man-
ual ................................................. .2 81
Settings
Factory (on-board computer) ......... 235
On-board computer ....................... 232
SETUP (on-board computer) ............. 235
Side impact air bag ............................ .4 8
Side marker lamp (display mes-
sage) ................................................... 250
Side windows
Cleaning ......................................... 322
Convenience closing feature ............ 87
Convenience opening feature ......... .8 6
Important safety information ........... 85
Opening/closing .............................. 86
Overview .......................................... 85
Problem (malfunction) .................... .8 8
Resettin g ........................................ .8 8
Reversin g feature ............................ .8 6
SIRIUS services
see also Digital Operator's Man-
ual .................................................. 281
Sliding sunroof
Important safety notes .................... 89
Opening/closing .............................. 90
Problem (malfunction) ..................... 92
Resetting ......................................... 90
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery ....................... 77
Changing the programming ............ .7 6
Checking the battery ...................... .7 7
Convenience closing feature ............ 87
Convenience opening feature .......... 86
Display message ............................ 267
Door central locking/unlo ckin g ...... .7 4
Importa nt safety notes .................... 74
KEYLESS-GO start function .............. 76
Loss ................................................ .7 8
Mechanical key ................................ 76
Overview .......................................... 74
Positions (ignition lock) ................. 132
Problem (malfunction) ..................... 78
Starting the engine ........................ 134
Smartphone
Starting the engine ........................ 134 Index 19

Video
Operating the DVD ......................... 229
see also Digital Operator's Man-
ual .................................................. 281
VIN ...................................................... 372
Seat ............................................... 373
Type plate ...................................... 372
WWarning and indicator lamps
ABS ................................................ 271
Brakes ........................................... 270
Check Engine ................................. 277
Coolant .......................................... 277
Distance Pilot DISTRONIC ............. 279
Distance warning ........................... 279
ESP ®
.............................................. 273
ESP ®
OFF ....................................... 274
Fuel tank ........................................ 277
Overview .......................................... 34
Parking brake ................................ 276
PASSENGER AIR BAG ...................... 42
Reserve fuel ................................... 277
Restraint system ............................ 276
Seat belt ........................................ 268
Tire pressure monitor .................... 280
Warranty .............................................. 26
Washer fluid
Display message ............................ 266
Weather display (COMAND)
see also Digital Operator's Man-
ual .................................................. 281
Wheel and tire combinations
Tires ............................................... 366
Wheel bolt tightening torque ........... 365
Wheel chock ...................................... 362
Wheels
Changing a wheel .......................... 361
Checking ........................................ 341
Cleaning ......................................... 321
Emergency spare wheel ................. 366
Important safety notes .................. 341
Information on driving .................... 341
Interchanging/changing ................ 361
Mounting a new wheel ................... 364
Mounting a wheel .......................... 362
Overview ........................................ 341 Removing a wheel .......................... 364
Snow chains .................................. 343
Storing ........................................... 362
Tightening torque ........................... 365
Wheel size/tire size ....................... 366
Window curtain air bag
Display message ............................ 247
Operation ......................................... 48
Windows
see Side windows
Windshield
Defrosting ...................................... 126
Windshield washer fluid
see Windshield washer system
Windshield washer system
Adding washer fluid ....................... 317
Important safety notes .................. 379
Windshield wipers
Problem (malfunction) ................... 118
Rear window wiper ........................ 115
Replacing the wiper blades ............ 115
Switching on/off ........................... 114
Winter driving
Sl ippery road surfaces ................... 161
Winter operation
Overview ........................................ 343
Radiator cover ............................... 315
Winter tires
M+S tires ....................................... 343
Wiper blades
Cleaning ......................................... 322
Replacing ....................................... 115
Replacing (rear window) ................ 117
Replacing (windshield) ................... 115
Wooden trim (cleaning instruc-
tions) .................................................. 325
Workshop
see Qualified specialist workshop
Z
ZONE function
Switching on/off ........................... 12624
Index

Protecting the environment
General notes
H Environmental note
Daimler's declared policy is one of compre-
hensive environmental protection.
The objectives are for the natural resources
that form the basis of our existence on this
planet to be used sparingly and in a manner
that takes the requirements of both nature
and humanity into account.
You too can help to protect the environment
by operating your vehicle in an environmen-
tally responsible manner.
Fuel consumption and the rate of engine,
transmission, brake and tire wear are affected
by these factors: R
operating conditions of your vehicle R
your personal driving style
You can influence both factors. You should
bear the following in mind:
Operating conditions: R
avoid short trips as these increase fuel con-
sumption. R
always make sure that the tire pressures
are correct. R
do not carry any unnecessary weight. R
remove roof racks once you no longer need
them. R
a regularly serviced vehicle will contribute
to environmental protection. You should
therefore adhere to the service intervals. R
always have service work carried out at a
qualified specialist workshop.
Personal driving style: R
do not depress the accelerator pedal when
starting the engine. R
do not warm up the engine when the vehicle
is stationary. R
drive carefully and maintain a safe distance
from the vehicle in front. R
avoid frequent, sudden acceleration and
braking. R
change gear in good time and use each gear
only up to