1. Press and release to lock all the doors. The turn signal lamps will illuminate.
2. Press and release again within three seconds to confirm that all the doors are closed. Note: The doors will lock again, the horn will chirp and the turn lamps will illuminate if all the doors and liftgate are closed.

Note: If any door or the liftgate is not closed, or if the hood is not closed on vehicles equipped with a perimeter alarm or remote start, the horn will chirp twice and the lamps will not flash.