Toyota Sienna 2010 Owner's Manual page 167

NOTICE
To prevent battery discharge
■
Do not leave the key in the "ACC" or "ON" position for long periods if the
engine is not running.
When starting the engine
■
Do not race a cold engine.
●
If the engine becomes difficult to start or stalls frequently, have the engine
●
checked immediately.
2-1. Driving procedures
2
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