Page 202 of 568
2023-4. Adjusting the steering wheel and mirrors
PRIUS +_OM_OM47D30E_(EE)
Steering wheel
Hold the steering wheel and
push the lever down.
Adjust to the ideal position by
moving the steering wheel hori-
zontally and vertically.
After adjustment, pull the lever up
to secure the steering wheel.
To sound the horn, press on or
close to the mark.
■ After adjusting the steering wheel
Make sure that the steering wheel is securely locked.
The horn may not sound if the steering wheel is not securely locked.
Adjustment procedure
1
2
Horn
Page 509 of 568

5097-2. Steps to take in an emergency
PRIUS +_OM_OM47D30E_(EE)
7
When trouble arises
If the hybrid system will not start
One of the following may be the cause of the problem:
● The electronic key may not be functioning properly.* (P. 5 1 1 )
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. ( P. 8 7 )
● There may be a malfunction in the immobilizer system.* (P. 9 1 )
● There may be a malfunction in the shift control system.*
( P. 229, 447, 460)
● 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. 510)
*: It may not be possible to shift the shift position other than P.
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. (P. 513)
● The 12-volt battery terminal connections may be loose or corroded.
( P. 389)
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. 224)
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.
Page 510 of 568

5107-2. Steps to take in an emergency
PRIUS +_OM_OM47D30E_(EE)
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. (P. 513)
● One or both of the 12-volt battery terminals may be disconnected.
( P. 389)
Contact any authorized Toyota retailer or Toyota authorized repairer,
or any reliable repairer if the problem cannot be repaired, or if repair
procedures are unknown.
When the hybrid system does not start, the following steps can be
used as an interim measure to start the hybrid system if the power
switch is functioning normally.
Do not use this starting procedure except in cases of emergency.
Set the parking brake.
Turn the power switch to ACCESSORY mode.
Press and hold the power switch for about 15 seconds while
depressing the brake pedal firmly.
Even if the hybrid system can be started using the above steps, the
system may be malfunctioning. Have the vehicle inspected by any
authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
The interior lights and headlights do not turn on, or the horn
does not sound.
Emergency start function
1
2
3
Page 550 of 568

550What to do if... (Troubleshooting)
PRIUS +_OM_OM47D30E_(EE)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (P. 450)
●The parking brake indicator is on
Is the parking brake released? (P. 240)
Depending on the situation, other types of warning buzzer may also sound.
(P. 444, 458)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (P. 104)
To stop the alarm, turn the power switch to ON mode or start the hybrid sys-
tem.
●Is the electronic key left inside the vehicle?
Vehicles without multi-information display: P. 154
Vehicles with multi-information display: P. 475
●When a warning light turns on or a warning message is displayed, refer to
P. 444, 458.
A warning buzzer sounds during driving
An alarm is activated and the horn sounds (vehicles with
alarm)
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed
Page 558 of 568

558Alphabetical index
PRIUS +_OM_OM47D30E_(EE)
Front turn signal lights
Replacing light bulbs ............. 427
Turn signal lever ................... 239
Wattage................................. 536
Fuel
Capacity ................................ 528
Fuel gauge ............................ 118
Gas station information ......... 568
Information ............................ 537
Refueling ............................... 256
Type ...................................... 528
Warning light ......................... 449
Fuel filler door .......................... 258
Fuses ........................................ 419
Gas station information .......... 568
Gauges...................................... 117
Glove box ................................. 346
Head restraints......................... 199
Headlights ................................ 241
Automatic headlight
leveling ............................... 243
Automatic High Beam
system ................................ 244
Light switch ........................... 241
Replacing light bulbs ............. 430
Heaters
Automatic air conditioning
system ................................ 332
Outside rear view mirrors ...... 335
Seat heaters.......................... 341High mounted stoplight
Replacing .............................. 430
Hill-start assist control............ 319
Hood ......................................... 375
Hooks
Cargo hooks ......................... 351
Retaining hooks (floor mat)..... 34
Horn .......................................... 202
Hybrid battery (traction battery)
Location .................................. 85
Specification ......................... 529
Hybrid battery
(traction battery) air intake
vent ........................................... 86
Hybrid system ............................ 81
Brake Override System......... 213
Drive-Start Control ................ 213
Emergency shut off system .... 86
Energy monitor/consumption
screen.......................... 128,134
EV drive mode ...................... 231
High voltage components ....... 85
Hybrid System Indicator........ 124
Hybrid system precautions ..... 85
Hybrid vehicle driving tips ..... 324
If the hybrid system will not
start .................................... 509
Overheating .......................... 518
Power switch......................... 224
Regenerative braking.............. 82
Starting the hybrid system .... 224
Hybrid System Indicator ......... 124
Hybrid transmission ................ 233
G
H