overheating TOYOTA TACOMA 2011 Owners Manual (in English)

141
2-1. Driving procedures
2
When driving
CAUTION
■
Exhaust gases
●Toyota does not recommend occupying the rear cargo area when it is fitted
with a slide-in camper, camper shell or other type cover while the engine is
running. This caution applies to both driving and stopped or parked situa-
tions with the engine running. Particular care should be taken to prevent
exhaust gases from entering camper bodies, trailers or other enclosures
on or around your vehicle. If exhaust fumes are detected, open all win-
dows and thoroughly ventilate the area.
■ When taking a nap in the vehicle
Always turn the engine off. Otherwise, you may accidentally move the shift
lever or depress the accelerator pedal, which could cause an accident or fire
due to engine overheating. Additionally, if the vehicle is parked in a poorly
ventilated area, exhaust gases may collect and enter the vehicle, leadin\
g to
death or a serious health hazard.
■ When braking the vehicle
●When the brakes are wet, drive more cautiously.
Braking distance increases when the brakes are wet, and may cause one
side of the vehicle to brake differently than the other side. Also the parking
brake may not securely hold the vehicle.
● If the power brake assist function does not operate, do not follow other
vehicles closely and avoid downhills or sharp turns that require braking.
In this case, braking is still possible, but it will require more force on the
pedal than usual. Braking distance may also increase.
● Do not pump the brake pedal if the engine stalls.
Each push on the brake pedal uses up the reserve for the power-assisted
brakes.
● The brake system consists of 2 individual hydraulic systems: If one of the
systems fails, the other will still operate. In this case, the brake pedal
should be depressed more firmly than usual and braking distance
becomes longer.
Do not drive your vehicle with only a single brake system. Have your
brakes fixed immediately.

155
2-1. Driving procedures
2
When driving
■
Parking brake engaged warning buzzer
The buzzer sounds to indicate that parking brake is still engaged (with the
vehicle having reach a speed of 3 mph [5 km/h]).
■ Usage in winter time
See “Winter driving tips” for parking brake usage in winter time. (P. 209)
NOTICE
■Before driving
Fully release the parking brake.
Driving the vehicle with the parking brake set will lead to brake components
overheating, which may affect braking performance and increase brake
wear.

159
2-2. Gauges and meters
2
When driving
NOTICE
■
To prevent damage to the engine and its components
●Do not let the indicator needle of the tachometer enter the red zone, which
indicates the maximum engine speed.
● The engine may be overheating if the engine coolant temperature gauge is
in the red zone (H). In this case, immediately stop the vehicle in a safe
place, and check the engine after it has cooled completely. (
P. 475)

226 2-5. Driving information
●Avoid jerky starts or sudden acceleration.
● Avoid jerky steering and sharp turns, and slow down before mak-
ing a turn.
● Note that when making a turn, th e trailer wheels will be closer than
the vehicle wheels to the inside of the turn. Compensate by making
a wider than normal turning radius.
● Slow down before making a turn, in cross winds, on wet or slippery
surfaces, etc.
Increasing vehicle speed c an destabilize the trailer.
● Take care when passing other v ehicles. Passing requires consider-
able distance. After passing a vehi cle, do not forget the length of
your trailer, and be sure you hav e plenty of room before changing
lanes.
● To maintain engine braking efficiency, do not use fifth gear (5-
speed manual transmission) or sixth gear (6-speed manual trans-
mission), or do not put the transm ission in D (automatic transmis-
sion).
● Instability happens more frequently when descending steep or long
downhill grades. Before descending, slow down and downshift. Do
not make sudden downshifts while descending steep or long down-
hill grades.
● Avoid holding the brake pedal down too long or applying the
brakes too frequently. This could cause the brakes to overheat and
result in reduced braking efficiency.
● Due to the added load of the trailer, your vehicle’s engine may
overheat on hot days (at temper atures over 85°F [30°C]) when
driving up a long or steep grade. If the engine coolant temperature
gauge indicates overheating, immediately turn off the air condition-
ing (if in use), pull your vehicle off the road and stop in a safe spot.
(  P. 475)

5
When trouble arises
477
5-2. Steps to take in an emergency
■
Overheating
If you observe the following, your vehicle may be overheating.
●The engine coolant temperature gauge enters the red zone or a loss of
power is experienced.
● Steam is coming from under the hood.
CAUTION
■To prevent an accident or injury when inspecting under the hood of
your vehicle
●If steam is seen coming from under the hood, do not open the hood until
the steam has subsided. The engine compartment may be very hot, caus-
ing serious injury such as burns.
● Keep hands and clothing away from the fan and other belts while the
engine is running.
● Do not loosen the radiator cap while the engine and radiator are hot.
Serious injury, such as burns, may result from hot coolant and steam
released under pressure.
NOTICE
■When adding engine coolant
Wait until the engine has cooled down before adding engine coolant.
When adding coolant, do so slowly. Adding cool coolant to a hot engine too
quickly can cause damage to the engine.

535
Alphabetical index
Brakes
Brake system warning buzzer
........... 182, 184, 189, 194, 441
Brake system warning light .. 441
Fluid...................................... 380
Parking brake ....................... 154
Break-in tips ............................ 136
Camper information ................ 525
Care Exterior ................................. 354
Interior .................................. 357
Seat belts ............................. 358
Cargo capacity ........................ 202
Cargo net hook ................ 334, 342
CD player ................................. 253
Certification label ............ 216, 489
Chains ...................................... 210
Child restraint system Booster seats, definition ....... 106
Booster seats, installation .... 123
Convertible seats, definition............................. 106
Convertible seats, installation .......................... 121
Front passenger occupant classification system ............ 99
Infant seat, definition ............ 106
Infant seats, installation ........ 120
Installing CRS with LATCH system........................ 115, 119
Installing CRS with seat belts ................................... 120
Installing CRS with top tether
straps ................. 124, 127, 129
Passenger airbag off switch ................................... 95 Child safety
Airbag precautions ..................90
Battery precautions .......385, 473
Child restraint system............106
Child-protectors .......................37
How your child should wear
the seat belt ..........................60
Installing child restraints ........111
Power window lock switch.......71
Power window precautions .....72
Removed wireless remote
control battery
precautions .........................407
Seat belt extender
precautions ...........................63
Seat belt precautions ..............61
Child-protectors .........................37
Cigarette lighter .......................323
Cleaning Exterior ..................................354
Interior ...................................357
Seat belts ..............................358
Clock ........................................ 321
Clutch start cancel switch.......190
Compass ...........................163, 347
Condenser ................................380
Console boxes .................310, 311
Cooling system Engine overheating ...............475
CRS ...........................................106
Cruise control...........................170
Cup holders ......................310, 312
Curtain shield airbags ...............82
Customizable features.............518
C

536 Alphabetical index
Daytime running light system .................................... 165
Deck Auxiliary boxes ...................... 335
Deck hooks ........................... 336
Deck rails .............................. 202
Deck ...................................... 334
Tie-down cleats ..................... 337
Deck rails .................................. 202
Dimension................................. 484
Dinghy towing .......................... 233
Do-it-yourself main tenance..... 366
Doors Access doors...........................39
Door glasses ...........................71
Door lock ...........................32, 35
Open door warning light ........ 444
Side doors ...............................35
Side mirrors .............................68
Downhill Assist Control
System .................................... 188
Driver’s seat belt reminder buzzer ..................................... 444
Driver's seat belt reminder light ......................................... 444
Driving
Break-in tips .......................... 136
Correct posture .......................80
Driving assist systems........... 191
Procedures ............................ 134
Winter driving tips.................. 209 Emergency, in case of
Blown fuse ............................ 408
If the engine will not start ...... 468
If the shift lever cannot be shifted from P ..................... 469
If the vehicle battery is discharged .......................... 471
If the warning buzzer
sounds ................................ 441
If the warning light turns on ... 441
If you have a flat tire ............. 450
If you lose your keys ............. 470
If you think something is wrong .................................. 437
If the vehicle becomes stuck ................................... 478
If your vehicle has to be
stopped in an emergency ... 480
If your vehicle needs to be towed .................................. 431
If your vehicle overheats ....... 475
Emergency flashers Switch ................................... 430
Engine Compartment ........................ 372
Engine switch ........................ 144
Exhaust gas .......................... 140
Hood ..................................... 370
How to start the engine ......... 144
Identification number............. 489
If the engine will not start ...... 468
Ignition switch ....................... 144
Immobilizer system ................. 78
Overheating .......................... 475
Warning light ......................... 441
Engine coolant Capacity ................................ 495
Checking ............................... 379
Preparing and checking before winter ....................... 209
Temperature gauge .............. 157DE

539
Alphabetical index
Limited slip differential ........... 183
Load capacity .......... 202, 207, 485
Lock steering column ............... 64
Luggage storage box .............. 339
Luggage compartment
features .................................. 334
Maintenance Do-it-yourself maintenance .. 366
General maintenance ........... 362
Maintenance data ................. 484
Maintenance requirements ... 360
Vehicle exterior..................... 354
Vehicle interior...................... 357
Malfunction indicator lamp .... 442
Manual air conditioning system ................................... 236
Manual transmission .............. 150
Meter Accessory meter................... 163
Instrument panel light control ................................ 158
Meters .................................. 157
Mirrors Inside rear view mirror ............ 65
Side mirrors ............................ 68
Vanity mirrors ....................... 320
MP3 disc................................... 259
Noise from under vehicle ......... 24 Odometer ..................................158
Off-road precautions
Driving ...................................199
Vehicle ..................................197
Oil
Engine oil ..............................374
Warning light .................442, 444
Opener
Fuel door .................................74
Hood......................................370
Outside rear view mirrors
Adjusting and folding ...............68
Outside temperature display ....................................322
Overhead console ....................318
Overheating, Engine ................475
Parking brake ...........................154
Passenger airbag off switch Installing the child restraint system ..................114
Passenger airbag off switch
precautions .........................107
Passenger airbag off switch ....................................95
Passenger risk group ..............96
Personal lights .........................309
Parking lights Replacing light bulbs .............422
Switch....................................164
Wattage .................................503
Power outlet .....................324, 325
Power steering Fluid ......................................382
Power windows ..........................71
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