See also:

Audio system–Navigation system based (if equipped)
If your vehicle is equipped with the navigation system, it will have an integrated navigation/audio system. See the Navigation system supplement for operating instructions on using this audio syst ...

Maintenance product specifications and capacities
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Autounlock feature
The autounlock feature will unlock all the doors when: • the ignition is in the on position, all the doors are closed, and the vehicle has been in motion at a speed greater than 12 mph (20 km/h); ...