Page 547 of 624

5478-2. Steps to take in an emergency
PRIUS v_OM_OM47B23U_(U)
8
When trouble arises
The coolant level is satisfactory if it is between the “FULL” and
“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.
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 th e 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 by 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 nearest Toyota dealer.
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Page 548 of 624
5488-2. Steps to take in an emergency
PRIUS v_OM_OM47B23U_(U)■
If the hybrid system overheat warning light comes on or the
warning message indicating over
heat is shown on the multi-
information 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 (radiator) 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 “F” and “L”
lines on the reservoir.
Reservoir
“F” line
“L” 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 616 of 624

616Alphabetical index
PRIUS v_OM_OM47B23U_(U)
P position switch ..................... 184
Panic mode .............................. 117
Parking brakeOperation .............................. 190
Parking brake engaged warning buzzer ................... 497
Parking lights Light switch ........................... 191
Replacing light bulbs..... 474, 481
Wattage ................................ 562
Parking lock ............................. 184
PCS (Pre-Collision system)
Function ................................ 255
PCS switch ........................... 256
Warning light ......................... 493
Warning message ......... 509, 511
Personal lights ......................... 375
Switch ................................... 376
Wattage ................................ 562
Power control unit coolant
Capacity ................................ 559
Checking ............................... 434
Preparing and checking before winter....................... 265
Radiator ................................ 436
Power outlets ........................... 388
Power steering (Electric Power Steering system) ....... 248Warning light ......................... 493 Power switch ........................... 174
Auto power off function ......... 178
Changing the power
switch modes ..................... 177
If your vehicle has to be
stopped in an
emergency ......................... 485
Starting the hybrid system .... 174
Power switch light ................... 375
Power windows Jam protection function ........ 154
Operation .............................. 153
Window lock switch .............. 153
Pre-Collision System (PCS)
Function ................................ 255
PCS switch ........................... 256
Warning light......................... 493
Warning message......... 509, 511
Radar cruise control (dynamic radar cruise
control)................................... 216
Radiator .................................... 436
Radio ........................................ 291
Rear seat .................................. 142
Rear side marker lights Light switch ........................... 191
P
R