See also:

Automatic re-arming
If the doors are unlocked, the locks will automatically reengage (re-lock) and the alarm will re-arm after 2 minutes unless a door or the tailgate has been opened. ...

Blower function to reduce battery drain
The climate system's blower functions normally while the engine is running. However, when the engine is switched off (even if the ignition is switched to positions I or II), the blower control w ...

Programming HomeLink
NOTE Some vehicles may require the ignition switch to be turned on or to the second (“accessories”) position for programming and/or operation of HomeLink. It is also recommended that a new b ...