Lexus 2013 IS250 Owner's Manual page 196

194
4-2. Driving procedures
NOTICE

To prevent battery discharge

Do not leave the engine switch in ACCESSORY or IGNITION ON mode for
long periods of time without the engine running.

If "ACCESSORY" or "IGNITION ON" is displayed on the meters while the
engine is not running, the engine switch is not off. Exit the vehicle after turn-
ing the engine switch off.

Do not stop the engine when the shift lever is in a position other than P. If the
engine is stopped in another shift lever position, the engine switch will not be
turned off but instead be turned to ACCESSORY mode. If the vehicle is left
in ACCESSORY mode, battery discharge may occur.

When starting the engine

Do not race a cold engine.

If the engine becomes difficult to start or stalls frequently, have your vehicle
checked by any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional immediately.

Symptoms indicating a malfunction with the engine switch
If the engine switch seems to be operating somewhat differently than usual,
such as the switch sticking slightly, there may be a malfunction. Contact any
authorized Lexus dealer or repairer, or another duly qualified and equipped
professional immediately.
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