2013 LEXUS IS250C horn

5
When trouble arises
525
5-2. Steps to take in an emergency
■The starter motor does not turn over, the interior lights and head-
lights 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. 5 3 2 )
● There may be a malfunction in the steering lock system.
Contact your Lexus dealer if the problem cannot be repaired, or if
repair procedures are unknown.

615
Alphabetical index
HeadlightsDischarge headlight precautions ....................................... 479
Replacing light bulbs ....................... 468
Switch ........................................................ 176
Wattage .................................................568
Heaters Seat heaters............................................ 371
Side mirror .............................................. 251
Hill-start assist control ....................... 220
Hood ........................................................... 413
Hooks Cargo.......................................................374
Shopping bag.......................................374
Horn.............................................................160 I/M test......................................................409
Identification
Engine..................................................... 553
Vehicle ................................................... 553
Ignition switch...........................................147
Illuminated entry system ....................353
Indicator lights..........................................167
Initialization Items to initialize ................................ 590
Inside rear view mirror .......................... 78
Interior lights Interior lights ........................................ 353
Switch.......................................................354
Wattage ................................................. 568
Jack Positioning a floor jack ......................414
Vehicle-equipped jack .................... 513
Jack handle............................................... 513
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.
I
J

622
What to do if...
What to do if...
A tire puncturesP. 5 1 3
P. 5 2 2If you have a flat tire
The engine does not start
P. 5 2 4If the engine will not start
P. 9 8Engine immobilizer system
P. 5 3 2If the vehicle battery is discharged
The shift lever cannot be
moved outP. 5 2 6If 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. 5 3 6If your vehicle overheats
The key is lostP. 5 2 7If you lose your keys
The battery runs outP. 5 3 2If the vehicle battery is discharged
The doors cannot be lockedP. 4 7Doors
The horn begins to soundP. 1 0 0Alarm
The vehicle is stuck in mud or
sandP. 5 3 9If the vehicle becomes stuck
A warning message is displayedP. 5 0 0If a warning message is displayed