2010 TOYOTA 4RUNNER horn

5
When trouble arises
591
5-2. Steps to take in an emergency
4RUNNER_U
Emergency start function (vehicles with a smart key system)
When the engine does not start, the following steps can be used as
an interim measure to start the engine if the “ENGINE START STOP”
switch is functioning normally: Set the parking brake.
Shift the shift lever to P.
Turn the “ENGINE START STOP” switch to ACCESSORY
mode.
Press and hold the “ENGINE START STOP” switch for about
15 seconds while depressing the brake pedal firmly.
Even if the engine can be start ed using the above steps, the system
may be malfunctioning. Have the vehicle inspected by your Toyota
dealer.
■ The starter motor does not turn over, the interior lights and
headlights do not turn on, or the horn does not sound.
One of the following may be the cause of the problem:
● One or both of the battery terminals may be disconnected.
● The battery may be discharged. ( P. 598)
● There may be a malfunction in the steering lock system. (vehi-
cles with a smart key system)
Contact your Toyota dealer if the problem cannot be repaired, or if
repair procedures are unknown.
STEP 1
STEP 2
STEP 3
STEP 4

656 Alphabetical index
4RUNNER_U
Garage door opener.................462
Gas station information...........664
Gauges ......................................182
Glove box.................................. 417
Grocery bag hooks .................. 459
Hands-free system (for cellular phone) ................380
Hazard lights Switch.................................... 554
Head restraints
Adjusting ................................. 76
Headlights Replacing light bulbs ............. 541
Switch.................................... 198
Wattage .................................622
Heaters
Seat heaters .......................... 446
Side mirrors ...........................310
Hill-start assist control ............253
Hood .......................................... 494
Hooks Cargo hook............................ 456
Cargo net hooks .................... 457
Grocery bag hooks ................459
Horn...........................................181
I/M test....................................... 490
Identification Engine ...................................611
Vehicle .................................. 611
Ignition switch .................. 164, 167
Illuminated entry system .........415
Indicator lights .........................189
Initialization Items to initialize.................... 644
Inside rear view mirror ..............87
Instrument panel light control .................................... 187 Interior lights
Interior lights ......................... 413
Switch ................................... 414
Wattage................................. 622
Intuitive parking assist ............ 213
Jack Vehicle-equipped jack ........... 578
Jack handle .............................. 578
KDSS ......................................... 253
Keyless entry ............................. 47
Keys Electronic key.......................... 30
Engine switch ................ 164, 167
If the electronic key does not operate properly ........... 596
If you lose your keys ............. 594
Ignition switch ............... 164, 167
Key number............................. 30
Keyless entry .......................... 47
Keys ........................................ 30
Mechanical key ....................... 30
Wireless remote control key.... 47
Language Audio ..................................... 315
Licence plate lights
Replacing light bulbs ............. 541
Wattage................................. 622
Light bulbs
Replacing .............................. 541
Wattage................................. 622G
H
I
J
K
L

661
4RUNNER_U
What to do if...
What to do if...
A tire puncturesP. 578If you have a flat tire
The engine does not start
P. 106Engine immobilizer system
P. 590If the engine will not start
P. 598If the battery is discharged
The shift lever cannot be
moved out of PP. 592If the shift lever cannot be shifted
from P
The engine coolant temperature
gauge enters the red zone
Steam can be seen coming
from under the hood
P. 603If your vehicle overheats
The key is lostP. 594If you lose your keys
The battery runs outP. 598If the battery is depleted
The doors cannot be lockedP. 5 1Side doors
P. 5 6Back door
The horn begins to soundP. 109Alarm
The vehicle is stuck in mud
or sandP. 606If the vehicle becomes stuck
A warning light or indicator
light comes onP. 565If the warning light turns on