When The Horn Does Not Sound And The Engine Cannot Be Started - Lexus NX350 2022 Owner's Manual

When the horn does not sound and the engine cannot be started

Cause
The battery may be dis-
charged.
One or both of the bat-
tery terminals may be dis-
connected.
The steering lock system
may be malfunctioning.
Related Links
If the vehicle battery is discharged(P. 589)
Restarting the engine when the battery is discharged(P. 630)
If the vehicle battery is discharged(P. 589)
Restarting the engine using the jumper (or booster)
cables.
Contact your Lexus dealer if the problem cannot be
repaired, or if repair procedures are unknown.
Check if a battery terminal is loose.
Contact your Lexus dealer if the problem cannot be
repaired, or if repair procedures are unknown.
Contact your Lexus dealer.
9-3. If the engine will not start
Remedy
9
597