Lexus 2013 GS 350 Owner's Manual page 710

7-2. 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. 743)
●
There may be a malfunction in the steering lock system.
●
Contact your Lexus dealer if the problem cannot be repaired, or if repair proce-
dures are unknown.
Emergency start function
When the engine does not start, the following steps can be used as an
interim measure to start the engine if the engine switch is functioning nor-
mally:
Set the parking brake.
1
Shift the shift lever to P.
2
Turn the engine switch to ACCESSORY mode.
3
Press and hold the engine switch for about 15 seconds while depress-
4
ing the brake pedal firmly.
Even if the engine can be started using the above steps, the system may be
malfunctioning. Have the vehicle inspected by your Lexus dealer.
GS350_U (OM30C34U)
I n f o r ma t i o n P r o v i d e d b y :