Lexus NX250 2022 - When the Horn Does Not Sound and the Engine Cannot be Started

When the horn does not sound and the engine cannot be started
Cause Remedy
The battery may be dis-
charged.
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.
One or both of the bat-
tery terminals may be dis-
connected.
Check if a battery terminal is loose.
Contact your Lexus dealer if the problem cannot be
repaired, or if repair procedures are unknown.
The steering lock system
may be malfunctioning.
Contact your Lexus dealer.
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)
9-3. If the engine will not start
597
9
When trouble arises