Page 646 of 732
6468-2. Steps to take in an emergency
HIGHLANDER_U
●The needle of the engine coolant temperature gauge ( P. 9 8 )
enters the red zone or a loss of engine power is experienced. ( For
example, the vehicle speed does not increase.)
● Steam comes out f rom under the hood.
Stop the vehicle in a safe place and turn off the air condition ing sys-
tem, and then stop the engine.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled
down sufficiently, inspect the
hoses and radiator core (radia-
tor) for any leaks. Radiator
Cooling fans
If a large amount of coolant
leaks, immediately contact your
Toyota dealer.
The coolant level is satisfactory
if it is between the “FULL” and
“LOW” lines on the reservoir.Reservoir
“FULL”
“LOW”
Radiator cap
If your vehicle overheats
The following may indicate that your vehicle is overheating.
Correction procedures
1
2
3
1
2
4
1
2
3
4
Page 647 of 732

6478-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
Start the engine and turn the air conditioning system on to check
that the radiator cooling fans operate and to check for coolant leaks
from the radiator or hoses.
The fans operate when the air conditioning system is turned on immedi-
ately after a cold start. Confirm that the fans are operating b y checking the
fan sound and air flow. If it is difficult to check these, turn the air condition-
ing system on and off repeatedly. (The fans may not operate in freezing
temperatures.)
If the fans are not operating:
Stop the engine immediately and contact your Toyota dealer.
If the fans are operating:
Have the vehicle ins pected at the nearest Toyota dealer.
5
WARNING
■When inspecting under th e hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
● If steam is seen coming from under the hood, do not open the ho od until
the steam has subsided. The engine compartment may be very hot.
● Keep hands and clothing (especially a tie, a scarf or a muffler ) away from
the fans and belts.
● Do not loosen the radiator cap and the coolant reservoir cap wh ile the
engine and radiator are hot.
6
7
Page 725 of 732

725Alphabetical index
HIGHLANDER_U
Parking lights ........................... 241Light switch ........................... 241
Replacing light bulbs............. 558
Wattage ................................ 665
PCS
(Pre-Collision System) .......... 267 Pre-collision brake assist ...... 268
Pre-collision braking ............. 268
Pre-collision warning............. 268
Warning light ......................... 585
Personal lights ......................... 465
Wattage ................................ 665
Power back door...................... 129
Power mode ............................. 235
Power outlets ........................... 481
Power steering (Electric power steering) ...... 339
Warning light ......................... 584
Power windows........................ 178 Door lock linked
window operation ............... 180
Jam protection function......... 179
Operation .............................. 178
Window lock switch............... 179
Pre-Collision System (PCS) ...................................... 267 Pre-collision brake assist ...... 268
Pre-collision braking ............. 268
Pre-collision warning............. 268
Warning light ......................... 585 Radar cruise control (dynamic
radar cruise control) ............. 291
Radiator .................................... 527
Radio ........................................ 373
Rear automatic air conditioning system ............. 458
Rear manual air conditioning system.................................... 455
Rear personal lights ................ 465 Wattage ................................ 665
Rear seat .................................. 157
Adjustment............................ 157
Folding down ................ 159, 161
Rear seat entertainment
system
*
Rear side marker lights........... 241 Light switch ........................... 241
Replacing light bulbs ............ 558
Rear sunshade......................... 485
Rear turn signal lights ............ 239 Replacing light bulbs ............ 558
Turn signal lever ................... 239
Wattage ................................ 665
Rear view mirror Inside rear view mirror .......... 174
Outside rear view mirrors ..... 176
Rear view monitor system
*.... 314
R
*: Refer to “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”