Page 650 of 770

6487-2. Steps to take in an emergency
PRIUS_OM_OM47F32E_(EE)
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.
If water was added in an emer-
gency, have the vehicle
inspected at any authorized
Toyota retailer or Toyota autho-
rized repairer, or any reliable
repairer as soon as possible.
After stopping the hybrid system and waiting for 5 minutes or
more, start the hybrid system again and check if “Hybrid System
Overheated” is shown on the multi-information display.
If the message does not disappear:
Stop the hybrid system and contact any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
If the message is not displayed:
The hybrid system temperature has dropped and the vehicle may
be driven normally.
However, if the message appears again frequently, contact any autho-
rized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
4
1
2
3
5
6
Page 694 of 770

692Alphabetical index
PRIUS_OM_OM47F32E_(EE)
Fuel ........................................... 668
Capacity ................................ 657
Fuel gauge .................... 118, 120
Information ............................ 668
Refueling ............................... 277
Type ...................................... 657
Warning light ......................... 583
Fuel consumption ............ 136, 169
Fuel filler door .......................... 279
Opener .................................. 279
Refueling ............................... 277
When the fuel filler door
cannot be opened ............... 280
Fuses ........................................ 557
Glove box ................................. 474
Hands-free system (for
cellular phone)
*
Head restraints......................... 199
Head-up display ....................... 160
Headlights ................................ 261
AHB (Automatic High
Beam) ................................. 266
Automatic headlight
leveling ............................... 264
Extended Headlight
Lighting system................... 263
Light switch ........................... 261
Replacing light bulbs ............. 565
Heaters
Automatic air conditioning
system ................................ 458
Outside rear view mirrors ...... 463
Seat heaters.......................... 468
High coolant temperature
warning light .......................... 583
High mounted stoplight
Replacing .............................. 565High-voltage components ........ 84
Hill-start assist control............ 442
Hood ......................................... 511
Hooks
Cargo hooks ......................... 480
Coat hooks............................ 493
Grocery bag hook ................. 481
Retaining hooks (floor mat)..... 30
Horn .......................................... 203
Hybrid battery (traction battery)
Air intake vent ......................... 85
Location .................................. 84
Specification ......................... 657
Hybrid battery (traction
battery) air intake vent ............ 85
Cleaning................................ 545
Hybrid system ............................ 79
Brake Override System......... 221
Drive-Start Control ................ 222
Emergency shut off system .... 85
Energy monitor/consumption
screen......................... 130, 166
EV drive mode ...................... 250
High voltage components ....... 84
Hybrid System Indicator........ 132
Hybrid system precautions ..... 84
Hybrid vehicle driving tips ..... 449
If the hybrid system will not
start .................................... 634
Overheating .......................... 645
Power switch......................... 244
Regenerative braking.............. 81
Starting the hybrid system .... 244
Vehicle proximity notification
system .................................. 80
Hybrid System Indicator ......... 132
Hybrid transmission ................ 253
G
H
Page 703 of 770

701Alphabetical index
PRIUS_OM_OM47F32E_(EE)
Warning buzzers
Approach warning ................. 339
Brake system ........................ 580
LTA (Lane Tracing Assist) .... 312
Open door ..................... 180, 583
Parking Support Brake
function ............................... 400
Pre-collision warning ............. 297
Radar cruise control .............. 339
RCTA (Rear Crossing Traffic
Alert) ................................... 356
Seat belt reminder................. 584
Shift position ......................... 255
Toyota parking
assist-sensor ...................... 385Warning lights.......................... 110
ABS....................................... 581
Brake Override System......... 585
Brake system ........................ 580
Charging system ................... 580
Drive-Start Control ................ 585
Driver’s seat belt reminder
light..................................... 584
Electronic engine control
system ................................ 581
Electric power steering
system ................................ 581
Front passenger’s seat belt
reminder light...................... 584
High coolant temperature ..... 583
Low engine oil pressure ........ 581
Low fuel level ........................ 583
Malfunction indicator lamp .... 581
Master warning light.............. 584
Open door ............................. 583
Parking Support Brake
function ............................... 585
PCS ...................................... 582
PKSB OFF indicator ............. 583
Rear passengers’ seat belt
reminder light...................... 584
Seat belt reminder light ......... 584
Slip indicator ......................... 582
SRS ...................................... 581
Tire pressure......................... 584
W
*: Refer to “Navigation and multimedia system Owner’s manual”.