Stopping the engine
The ignition switch should be turned off only when the vehicle is stopped and the engine is idling.

Do not stop the engine when the vehicle is moving. This will cause loss of power to the power steering and the brake booster, making steering and braking more difficult. It could also result in accidental activation of the “LOCK” position on the ignition switch, causing the steering wheel to lock.
See also:
2010 Subaru Tribeca review
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When checking or servicing in the engine compartment
Do not contact the belt cover while checking the components in the engine compartment. Doing so may cause your hand to slip off the belt cover and result in an unexpected injury. ...
Security indicator light
This indicator light shows the status of the alarm system. It also indicates
operation of the immobilizer system. ...
