Page 653 of 744

6537-2. Steps to take in an emergency
PRIUS_OM_OM47F01U_(U)
7
When trouble arises
The coolant level is satisfactory if it is between the “MAX” and
“MIN” lines on the reservoir.
Reservoir
“MAX” line
“MIN” line
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
Start the hybrid system and turn the air conditioning system on to
check that the radiator cooling fans operate and to check for
coolant leaks from t he 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 con-
ditioning system on and off repeatedly. (The fans may not operate in
freezing temperatures.)
If the fans are not operating:
Stop the hybrid system immediately and contact your Toyota
dealer.
If the fans are operating:
Have the vehicle inspected at the neare st Toyota dealer.
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Page 654 of 744
6547-2. Steps to take in an emergency
PRIUS_OM_OM47F01U_(U)■
If “Hybrid System Overheated” is shown on the multi-informa-
tion display
Stop the vehicle in a safe place.
Stop the hybrid system and carefully lift the hood.
After the hybrid system has cooled down, inspect the hoses and
radiator core (radiat or) 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” a nd
“LOW” lines on the reservoir.
Reservoir
“FULL” line
“LOW” line
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
If water was added in an emer-
gency, have the vehicle inspected
at your Toyota dealer as soon as
possible.
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Page 735 of 744

735Alphabetical index
PRIUS_OM_OM47F01U_(U)
Warning lights.......................... 107ABS....................................... 589
Brake Override System......... 592
Brake system ....... ................. 588
Charging system ................... 588
Drive-Start Control ................ 592
Driver’s seat belt reminder light ..................................... 591
Electronic engine control system ......... ....................... 588
Electric power steering
system ......... ....................... 589
Front passenger’s seat belt reminder light...................... 591
High coolant temperature ..... 590
Low engine oil pressure ........ 588
Low fuel level ........................ 590
Malfunction indicator lamp .... 588
Master warning light.............. 591
Open door ............................. 590
Parking Support Brake function ............................... 592
PCS ...................................... 589
PKSB OFF indicator ............. 590
Rear passengers’ seat belt
reminder light...................... 591
Seat belt reminder light ......... 591
Slip indicator ......................... 590
SRS ...................................... 589
Tire pressure......................... 591 Warning messages.................. 599
Warning reflector storage
space ...................................... 464
Washer ............................. 269, 275 Checking............................... 526
Preparing and checking
before winter ...................... 425
Switch ........................... 269, 275
Washing and waxing ............... 492
Water-repellent coating .......... 493
Weights .................................... 660 Cargo capacity...................... 236
Load limits ............................ 660
Wheels ...................................... 540
Replacing wheels ................. 627
Size....................................... 668
Window glasses ...................... 212
Window lock switch ................ 212
Windows Power windows..................... 212
Rear window
defogger ..................... 434, 444
Washer ......................... 269, 275
Windshield wipers ................... 269 Handling the wiper arms ....... 497
Rain-sensing windshield wipers ................................. 271
Replacing the wiper insert .... 551
Winter driving tips ................... 425
Wiper insert replacement ....... 551
Wireless charger ..................... 471
Wireless remote control ......... 176 Battery-Saving Function ....... 194
Locking/Unlocking ................ 182
Panic mode........................... 177
Replacing the battery............ 555
WMA disc
*1
*1: Refer to “MULTIMEDIA OWNER’S MANUAL”.
*2: Refer to “NAVIGATION S YSTEM OWNER’S MANUAL”.