service AUDI Q5 2017 Service Manual

Consumer inf orm ation
@ For the sake of the env ironment
- Changing the engine settings wi ll adversely
affect emission levels. Th is is detrimental to
the environment and increases fuel con­
sumption.
- A lways observe environmental regu lations
when disposing of old engine o il, used brake
fl ui d, d irty engine coolant, spent batteries
or worn out tires.
- Undeployed airbag modules and pretension­
ers mig ht be classified as Perchlorate Mate­
rial -special handl ing may apply, see
www.dtsc .ca.gov/hazardouswaste/perchlo­
r ate. When the vehicle or parts of the re­
straint system including airbag modu les
safety be lts wi th pretensioners are scrap­
ped, all applicab le laws and regulations
must be observed. Your authorized Audi
dealer is familiar with these requirements
and we recommend that you have your deal­ er perform this service for you.
Accessories and technical changes
Additional accessories and parts replacement
Always consult an authorized Audi dealer before
purchasing accessories.
Your vehicle incorporates the latest safety design
features ensuring a high standard of active and passive safety.
This safety could be comp romised by non-ap­
proved changes to the vehicle . For this reason, if
parts have to be replaced, please observe the fo l­
lowing points when insta lling addit ional accesso­
ries:
Approved Audi accessories and genuine Audi parts are available from author ized Audi dealers.
These dealers also have the necessary facilities,
too ls and trained specialists to install the parts
and accessories properly.
278
A WARNING
-
Using the wrong spare parts or using non-ap-
proved accessories can cause damage to the
vehicle and serious personal injury.
- Use only accessories expressly approved by
Aud i and genuine Audi spare parts
- These parts and accessor ies have been spe­
cially designed to be used on your vehicle.
- Never install accessor ies such as telephone
cradles or beverage holders on airbag covers
or w ith in the airbag deployment zones. Do­
ing so will increase the risk of injury if a ir­
bags are triggered in an accident!
- Before you check anything in the eng ine
compartment, always read and heed all
WARN INGS
Qpage 217.
(D Note
-If items other than genu ine Audi spare
parts, add-on equipment and accessory
items are used or if repair wor k is not per­
formed a ccording to specified methods, this
c an resul t in severe damage to you r vehi­
cle's eng ine and body (such as corrosion)
and adve rsely af fect your vehicle's war ranty.
- I f emergency repai rs must be performed
elsewhere, have the vehicle exam ined by an
authorized A udi dealer as soon as possib le .
- T he manuf acture r ca nnot be held liable for
damage which occurs d ue to failure to com ­
ply with these stipulations.
Technical Modifications '
Our guidelines must be complied with when tech ­
nical modifications are made .
Always consult an a uthorized Audi de aler bef ore
sta rt ing work on any modifica tions.
This will help ensure that vehicle fu nction, per­
fo rmance and safety are not impaired
Q ,& .
Attempting to work on electronic components
and the software used with them can cause mal­
funct io ns. Because of the way elect ronic compo­
nen ts a re interconnected with each othe r, such
malfunc tions c an also have an adverse affect on
othe r systems that are not d irectl y involved. This ..,.

Index
A
A/C (climate control) . . . . . . . . . . . . . . . . . . . 78
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . 278
Active lane assist
Cleaning the camera area . . . . . . . . . . . . . 205
Adaptive cruise control. . . . . . . . . . . . . . . . . 109
Cleaning the sensor . . . . . . . . . . . . . . . . . . 205
Indicator lamp . . . . . . . . . . . . . . . . . . . . . . 111
M essages . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Request for driver intervention . . . . . . . . . 114
Setting the distance............... ... 113
Setting the driving program . . . . . . . . . . . 114
Adaptive dampers . . . . . . . . . . . . . . . . . . . . . 122
Adaptive light .. .. ............. .... .. .. 51
Defective . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
AdBlue .... .. .. .... ........... ....... 214
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Opening the tank door ............... . 215
Refilling . .. .. .... ........... .... ... 215
Adding Engine oil .......................... 221
Windshield washer fluid . . . . . . . . . . . . . . 229
Additional accessories
Additives 278
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Adjusting Air distribution (climate control) . . . . . . . . 78
Instrument illumination . . . . . . . . . . . . . . . 53
Steering column manually . . . . . . . . . . . . . 81
Temperature (climate control) . . . . . . . . . . 78
Airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Airbag system . . . . . . . . . . . . . . . . . . . . . . . . 164
Advanced Airbag-System . . . . . . . . . . . . . . 152
Advanced Airbag System components . . . 154
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Children . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Child restraints . . . . . . . . . . . . . . . . . . . . . 170
Components (front airbags) . . . . . . . . . . . 154
Danger of fitting a child safety seat on the
front passenger seat . . . . . . . . . . . . . . . . . 149
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Front airbags . . . . . . . . . . . . . . . . . . . 152, 153
How do the front airbags work? . . . . . . . . 156
How many airbags does my vehicle have? 154
How the Advanced Airbag System compo-
nents work together . . . . . . . . . . . . . . . . . 156
280
Important information . . . . . . . . . . . . . . . 148
Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . 158
PASSENGER AIR BAG OFF light . . . . . . . . . 159
Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Safety instructions . . . . . . . . . . . . . . . . . . . 160
Side airbags . . . . . . . . . . . . . . . . . . . . . . . . 162
Side curtain airbags . . . . . . . . . . . . . . . . . . 165
Warning/indicator lights . . . . . . . . . . . . . . . 13
Warning/Indicator lights . . . . . . . . . . . . . 158
Weight-sensing mat . . . . . . . . . . . . . . . . . 170
When must the system be inspected? . . . 158
Air transport . . . . . . . . . . . . . . . . . . . . . . . . . 108
All-wheel drive ....................... 192
Selective wheel torque control . . . . . . . . . 186
All season tires
Alternator 245
Malfunction . . . . . . . . . . . . . . . . . . . . . . . . . 25
Anti-lock brake system Warning/indicator lights . . . . . . . . . . . . 13, 14
Anti-Lock Braking System . . . . . . . . . . . . . . 186
Anti-slip regulation Warning/indicator lights . . . . . . . . . . . . . . . 13
Anti-Slip Regulation . . . . . . . . . . . . . . . . . . . 186
Anti-theft alarm warning system . . . . . . . . . 35
Electronic immobilizer . . . . . . . . . . . . . . . . . 35
Approach/departure angle....... ..... .. 198
Ashtray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Audi braking guard
refer to Braking guard 115
Audi drive select Indicator light . . . . . . . . . . . . . . . . . . . . . . 191
also refer to Drive select . . . . . . . . . . . . . . 122
Audi parking system plus with rearview cam-
era . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Adjusting the display . . . . . . . . . . . . . . . . . 130
Adjusting the warning tones . . . . . . . . . . . 130
Rearview camera -parking mode 1 . . . . . . 128
Rearview camera -parking mode 2 . . . . . . 129
Safety precautions . . . . . . . . . . . . . . . . . . . 125
Switching on and off . . . . . . . . . . . . . . . . . 127
Trailer hitch . . . . . . . . . . . . . . . . . . . . . . . . 130
Audi Service Repair Manuals and Literature 276
Auto-Check Control . . . . . . . . . . . . . . . . . . . . 24
Auto locking . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Automatic belt retractor . . . . . . . . . . . . . . . 143
Automatic driving light control . . . . . . . . . . . 49
Automatic Shift Lock (ASL) . . . . . . . . . . . . . . 95

Reset button . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Retractor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Right hand drive . . . . . . . . . . . . . . . . . . . . . . . 51
Rims . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Roof rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Attachment points . . . . . . . . . . . . . . . . . . . . 69
Installing the attachments . . . . . . . . . . . . . 70
Installing the roof rack . . . . . . . . . . . . . . . . 70
Roof load . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Rule of behavior offroad . . . . . . . . . . . . . . . 198
s
Safe driving habits
Safety 131
Airbag system . . . . . . . . . . . . . . . . . . . . . . 148
Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Cargo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Correct seating position . . . . . . . . . . . . . . 132
Pedal area . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Safety belt position . . . . . . . . . . . . . . . . . . . 144
Safety belt height adjustment . . . . . . . . . 145
Safety belts worn by pregnant women . . . 145
Safety belt pretensioner Service and disposal. . . . . . . . . . . . . . . . . . 147
Safety belts . . . . . . . . . . . . . . . . . . . . . . 140 , 143
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Danger to passengers who do not wear a
safety belt . . . . . . . . . . . . . . . . . . . . . . . . . 141
Fastening . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Height adjustment . . . . . . . . . . . . . . . . . . . 145
Improperly worn . . . . . . . . . . . . . . . . . . . . 146
Not worn . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Safety belt position . . . . . . . . . . . . . . . . . . 144
Safety instructions . . . . . . . . . . . . . . . . . . . 142
Securing ch ild safety seats . . . . . . . . . . . . 178
Special considerations for pregnant wom-
en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Unfasten ing . . . . . . . . . . . . . . . . . . . . . . . . 145
Warning/indicator light . . . . . . . . . . . 14 , 140
Wo rn properly . . . . . . . . . . . . . . . . . . . . . . 142
Safety compliance sticker . . . . . . . . . . . . . . 272
Safety equipment . . . . . . . . . . . . . . . . . . . . . 131
Safety features for occupant restraint and
CD protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 131 CD
;::: Safety guidelines ,-...
~ Seat adjustment . . . . . . . . . . . . . . . . . . . . . 60 0 0 C<'. 00
Index
Safety instructions
Engine compartment . . . . . . . . . . . . . . . . . 217
for side curtain airbags . . . . . . . . . . . . . . . 167
for using child safety seats . . . . . . . . . . . . 171
for using safety belts . . . . . . . . . . . . . . . . . 142
Monitoring the Advanced Airbag System . 160
Safety systems Warning/indicator lights . . . . . . . . . . . . . . . 13
Seat Heating. .. .. .. . ... ............. .. .. . 79
Number of seats . . . . . . . . . . . . . . . . . . . . 140
Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Seat adjustment . . . . . . . . . . . . . . . . . . . . . . . 61
Driver's seat . . . . . . . . . . . . . . . . . . . . . . . . . 60
Front passenger's seat. . . . . . . . . . . . . . . . . 61
Head restraints . . . . . . . . . . . . . . . . . . . . . 134
Safety guidelines . . . . . . . . . . . . . . . . . . . . . 60
Seat belts refer to Safety belts . . . . . . . . . . . . . . . . . . 140
Seating capacity . . . . . . . . . . . . . . . . . . . . . . 140
Seating position Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Front passenger . . . . . . . . . . . . . . . . . . . . . 133
How to adjust the front seats . . . . . . . . . . 133
Incorrect seat position . . . . . . . . . . . . . . . 13S
Occupants . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Rear passengers . . . . . . . . . . . . . . . . . . . . . 134
Sea transport . . . . . . . . . . . . . . . . . . . . . . . . 108
Seats Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Correct seating position . . . . . . . . . . . . . . 132
Selective catalytic reduction refer to Ad Blue. .. .. ............... .. 214
Selective unlock feature . . . . . . . . . . . . . . . . . 36
Selective wheel torque control (a ll-wheel
drive) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Se lector lever . . . . . . . . . . . . . . . . . . . . . . . . . 94
Emergency release . . . . . . . . . . . . . . . . . . . . 99
Service and disposal Safety belt pretens ioner . . . . . . . . . . . . . . 147
Service interva l display . . . . . . . . . . . . . . . . . . 19
Service pos ition
refer to Replacing wiper blades . . . . . . . . . 55
SET button . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Shift paddles . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Ship transport. . . . . . . . . . . . . . . . . . . . . . . . 108
289

Index
Side airbags Description . . . . . . . . . . . . . . . . . . . . . . . . . 162
How they work . . . . . . . . . . . . . . . . . . . . . . 164
Side assist Activating and deactivating . . . . . . . . . . . . 120
Adjusting the brightness . . . . . . . . . . . . . . 120
Cleaning the sensors . . . . . . . . . . . . . . . . . 205
Description . . . . . . . . . . . . . . . . . . . . . . . . . 118
Sensor range . . . . . . . . . . . . . . . . . . . . . . . 119
Side curtain airbags . . . . . . . . . . . . . . . . . . . 165
Description . . . . . . . . . . . . . . . . . . . . . . . . . 165
How they work . . . . . . . . . . . . . . . . . . . . . . 166
Safety instructions . . . . . . . . . . . . . . . . . . . 167
Side marker lights . . . . . . . . . . . . . . . . . . . . . 49
Snow chains . . . . . . . . . . . . . . . . . . . . . . . . . 245
Socket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Sound system display Driver information display . . . . . . . . . . . . . . 17
Sources of information about child restraints
and their use . . . . . . . . . . . . . . . . . . . . . . . . . 185
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . 10
Speed warning system . . . . . . . . . . . . . . . . . . 91
Start-Stop-System Engine does not switched off . . . . . . . . . . .
89
Engine starts automatically . . . . . . . . . . . . 89
Indicator lights . . . . . . . . . . . . . . . . . . . . . . 89
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Starting/stopping the engine . . . . . . . . . . . 89
Sw itching off/on . . . . . . . . . . . . . . . . . . . . . 90
Start/Stop system . . . . . . . . . . . . . . . . . . . . . 88
START ENGINE STOP button (Convenience key) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84, 85
Starting from rest . . . . . . . . . . . . . . . . . . . . . . 87
Starting off with a trailer . . . . . . . . . . . . . . . . 87
Starting the engine . . . . . . . . . . . . . . . . . 81, 84
Starting (engine) . . . . . . . . . . . . . . . . . . . . . 101
Steering Electromechanical power assist ..... . 191, 0
Indicator light . . . . . . . . . . . . . . . . . . . . . . 191
Locking the steering . . . . . . . . . . . . . . . . . . 8 1
Malfunction .. .. ................ .. 27, 3 1
Manually adjusting the steering wheel . . . . 81
also refer to Electromechanical power as-
sist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Steering wheel column Adjusting manually . . . . . . . . . . . . . . . . . . . 81
Steps for determining correct load limit . . . 244
290
Stopping the engine . . . . . . . . . . . . . . . . . 83, 8S
Stopping (engine) . . . . . . . . . . . . . . . . . . . . . 101
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
(upholder door pockets . . . . . . . . . . . . . . . . 73
Glove compartment . . . . . . . . . . . . . . . . . . . 75
Sun shade . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Sun visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Supplementary (climate control) 80
Switches Emergency flashers . . . . . . . . . . . . . . . . . . . 51
Symbols Red . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Yellow.... .. .. .. .. .. .. ........... .. . 28
T
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Tail lights
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
TOI clean diesel
refer to Ad Blue ... .. .. ............... 214
Technica l data . . . . . . . . . . . . . . . . . . . . . . . . 272
Technical modifications . . . . . . . . . . . . . . . . 278
Tether anchors . . . . . . . . . . . . . . . . . . . . . . . 183
Tether strap . . . . . . . . . . . . . . . . . . . . . . . . . 183
Tie-down rings . ... .. .. ............ 67, 137
tiptronic Automat ic Shift Lock (ASL) . . . . . . . . . . . . . 95
Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Emergency mode . . . . . . . . . . . . . . . . . . . . . 98
Hill descent control . . . . . . . . . . . . . . . . . . . 97
Kick-down . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Manual shift program . . . . . . . . . . . . . . . . . 98
Selector lever . . . . . . . . . . . . . . . . . . . . . . . . 94
tiptronic (automatic transmission) . . . . . . . . 94
Tire Mobility System . . . . . . . . . . . . . . . . . . . 107
Tire Mobility System (tire repair set) . . . . . . 253
Tire pressure mon itoring system
Loss of air pressure . . . . . . . . . . . . . . . . . . . 13
Tires .... ... .. .. .. .. .. ........ ..... .. 230
Low aspect ratio tires . . . . . . . . . . . . . . . . 246
Repair set . . . . . . . . . . . . . . . . . . . . . . 107, 253
Replacing . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Service life . . . . . . . . . . . . . . . . . . . . . . . . . 238
Tire pressure . . . . . . . . . . . . . . . . . . . . . . . 240
Tire pressure monitoring system ... 247, 248
Tire pressure table . . . . . . . . . . . . . . . . . . . 241

CD
CD
.... N ,-... N ..... 0 0 C<'. 00
Treadwear indicato rs . . . . . . . . . . . . . . . . . 238
Unidirectional . . . . . . . . . . . . . . . . . . . . . . . 232
Uniform tire quality grad ing . . . . . . . . . . . 247
Tires and wheels Glossary of tire and load ing terminology . 232
Tire pressure monitoring system . . . . . . . . 13
Tires and vehicle load limits . . . . . . . . . . . 242
Tool kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
To rn or frayed safety be lts . . . . . . . . . . . . . . 142
Towing Front eye let . . . . . . . . . . . . . . . . . . . . . . . . 269
Rear eyelet . . . . . . . . . . . . . . . . . . . . . . . . . 269
Tow trucks . . . . . . . . . . . . . . . . . . . . . . . . . 268
Towing a trailer
Parking system . . . . . . . . . . . . . . . . . . . . . . 130
TPM5 (tire pressure monitoring system) . . . 248
Trailer tow ing . . . . . . . . . . . . . . . . . . . . . . . . 200
I nformation . . . . . . . . . . . . . . . . . . . . . . . . 202
Operating instructions . . . . . . . . . . . . . . . . 201
Technical requirements . . . . . . . . . . . 200, 201
Tongue load . . . . . . . . . . . . . . . . . . . . . . . . 201
Trailer turn signal assembly
Warning/indicator lights . . . . . . . . . . . . . . . 14
T ransmission
Malfunction (indicator light) . . . . . . . . . . . . 98
T ransport Canada . . . . . . . . . . . . . . . . . . . . . 139
Travel mode . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Trip computer
Fuel consumption . . . . . . . . . . . . . . . . . . . . 19
Mileage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Single -trip memory . . . . . . . . . . . . . . . . . . . 20
Total-trip memory . . . . . . . . . . . . . . . . . . . . 20
T rip odometer . . . . . . . . . . . . . . . . . . . . . . . . . 10
Trunk
refer to Rear lid . . . . . . . . . . . . . . . . . . . . . . 41
Turn signals . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Warning/indicator lights . . . . . . . . . . . . . . . 14
u
ULSD No. 2 (D iesel fuel) . . . . . . . . . . . . . . . . 211
Unfastening safety belts . . . . . . . . . . . . . . . 145
Uniform tire quality grading
Unlocking 247
Power locking switch . . . . . . . . . . . . . . . . . . 39
Rear lid/trunk lid . . . . . . . . . . . . . . . . . . . . . 40
Index
Remote control key . . . . . . . . . . . . . . . . . . . 3 7
Using the mechanical key . . . . . . . . . . . . . . 38
Use of jumper cables . . . . . . . . . . . . . . . . . . 267
V
Vanity mirror . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Vehicle Care/cleaning . . . . . . . . . . . . . . . . . . . . . . . 204
Out of service . . . . . . . . . . . . . . . . . . . . . . . 208
Transport . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Vehicle control modules . . . . . . . . . . . . . . . . 188
Vehicle identification label . . . . . . . . . . . . . 272
Vehicle Identification Number (VIN) . . . . . . 272
Vehicle jack . . . . . . . . . . . . . . . . . . . . . . 250, 257
Vehicle tool kit . . . . . . . . . . . . . . . . . . . . . . . 107
Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
w
Warning/indicator lights
Airbag system . . . . . . . . . . . . . . . . . . . . . . . 13
Anti-lock brake system (ABS) . . . . . . . . . . . 14
Brake system . . . . . . . . . . . . . . . . . . . . . . . . 15
Cruise control . . . . . . . . . . . . . . . . . . . . . . . . 14
E le ctromechanical parking brake . . . . . . . . 15
Electronic power control . . . . . . . . . . . . . . . 12
E lectron ic Stabilization Contro l (ESC) . . . . . 13
Glow p lug system . . . . . . . . . . . . . . . . . . . . 12
High beam . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Malfunction Indicator Lamp (MIL) . . . . . . . 14
Safety be lt . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Tire pressure monitoring system . . . . . . . . 13
Trailer turn signal assembly . . . . . . . . . . . . 14
Turn signals . . . . . . . . . . . . . . . . . . . . . . . . . 14
Warning/Ind icator lights
Airbag system . . . . . . . . . . . . . . . . . . . . . . 158
Warranty coverages . . . . . . . . . . . . . . . . . . . 276
Washer reservoir . . . . . . . . . . . . . . . . . . . . . 229
Washing matte finish pa int . . . . . . . . . . . . . 204
Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
What happens if you wear your safety belt too
l oose? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
What happens to unbelted occupants? . . . . 141
What impairs driving safety? . . . . . . . . . . . . 132
Wheel bolts . . . . . . . . . . . . . . . . . . . . . . . . . 244
291