Follow these steps to arm the Vehicle Security system:
Make sure the vehicle’s ignition is placed in the OFF position.
For vehicles equipped with Keyless Entry, make sure the vehicle’s keyless ignition system is OFF.
Perform one of the following methods to lock the vehicle:
Push the lock button on the interior power door lock switch with the driver and/or passenger door open.
Push the lock button on the exterior Passive Entry door handle with a valid key fob available in the same exterior zone Keyless Enter ‘n Go™ — Passive Entry (If Equipped).
Push the lock button on the key fob.
If any doors are open, close them.