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. ...

Ignition switch and steering wheel lock
A The gear selector must be in the P (Park) position (automatic transmission). B Please be aware that leaving the key in this position will increase battery drain. ...

Returning to mode I from mode II
With the remote key fully pressed into the ignition slot, press START/STOP ENGINE briefly. ...