Page 438 of 492

4388-2. Steps to take in an emergency
YARIS_HV_EE_OM52G10E
If the hybrid system will not start
One of the following may be the cause of the problem:
● Vehicles with a smart entry & start system: The electronic key may
not be functioning properly. ( P. 442)
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. ( P. 208)
● There may be a malfunction in the immobilizer system. (P. 8 4 )
● There may be a malfunction in the steering lock system.
● The hybrid system may be malfunctioning due to an electrical prob-
lem such as electronic key battery depletion or a blown fuse. How-
ever, depending on the type of malfunction, an interim measure is
available to start the hybrid system. ( P. 439)
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. (P. 443)
● The 12-volt battery terminal connections may be loose or corroded.
( P. 335)
Reasons for the hybrid system not starting vary depending on
the situation. Check the following and perform the appropriate
procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. ( P. 178, 182)
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.
Page 484 of 492

484Alphabetical index
YARIS_HV_EE_OM52G10E
Hybrid system ............................ 75
Emergency shut off system..... 80
Energy monitor/consumption
screen................................. 104
EV drive mode ...................... 188
High voltage components ....... 79
Hybrid System Indicator .......... 99
Hybrid system precautions...... 79
Hybrid vehicle driving tips ..... 243
If the hybrid system will
not start............................... 438
Overheating .......................... 448
Power switch ................. 178, 182
Regenerative braking .............. 77
Starting the hybrid
system ........................ 178, 182
Hybrid System Indicator ........... 99
Hybrid system overheat
warning light .......................... 400
Hybrid transmission ................ 190
Identification ............................ 457
Engine................................... 457
Vehicle .................................. 457
Ignition switch
(Power switch) ............... 178, 182
Auto power off function ......... 184
Changing the power switch
modes................................. 183
If your vehicle has to be
stopped in an emergency ... 387
Starting the hybrid
system ........................ 178, 182
Ignition switch light
(Power switch light) .............. 295
Illuminated entry system ........ 296
Immobilizer system ................... 84
Indicators ................................... 95
Initialization
Items to initialize ................... 471
Tire pressure warning
system ................................ 341
Inside rear view mirror ............ 157
Instrument panel light
control ...................................... 98
Interior lights............................ 295
Switch ................................... 295
Wattage ................................ 465
ISOFIX rigid anchors ................. 69
I
Page 489 of 492

489Alphabetical index
YARIS_HV_EE_OM52G10E
Stuck
If the vehicle becomes
stuck ................................... 453
Sun visors ................................ 304
Switches
Audio remote control
switches.............................. 252
Automatic High Beam
switch.................................. 229
Cruise control switch ............. 233
Door lock switches ................ 125
Emergency flashers switch ... 386
EV drive mode switch ........... 188
Fog light switch ..................... 200
Hazard switch ....................... 386
Ignition switch ............... 178, 182
LDA (Lane Departure
Alert) switch ........................ 224
Light switch ........................... 195
Outside rear view mirror
switches.............................. 159
PCS (Pre-Crash Safety
system) switch .................... 217
Power door lock switch ......... 125
Power switch ................. 178, 182
Power window switches ........ 162
Rear window defogger
switch.................................. 288
Rear window wiper and
washer switch ..................... 206
Seat heater switches............. 293
Talk switch*
Telephone switch*
Tire pressure warning
reset switch......................... 343
VSC OFF switch ................... 238
Window lock switch ............... 162
Windshield wipers and
washer switch ..................... 202
Tachometer ................................ 97
Tail lights .................................. 195
Light switch ........................... 195
Replacing light bulbs..... 378, 382
Wattage ................................ 465
Talk switch*
Telephone switch*
Theft deterrent system
Double locking system ............ 89
Immobilizer system ................. 84
Tire inflation pressure ............. 354
Maintenance data ................. 463
Warning light ......................... 400
Tire pressure warning system
Function ................................ 341
Initializing .............................. 342
Installing tire pressure
warning valves and
transmitters......................... 342
Registering ID codes ............ 344
Tire pressure warning reset
switch ................................. 343
Warning light ......................... 400
Tires .......................................... 340
Chains................................... 247
Checking ............................... 340
If you have a flat tire ..... 407, 422
Inflation pressure .................. 463
Replacing ...................... 407, 422
Rotating tires......................... 341
Size ....................................... 463
Snow tires ............................. 246
Spare tire .............................. 407
Tire pressure warning
system ................................ 341
Warning light ......................... 400
T
*: Refer to “Navigation and multimedia system Owner’s manual”.