OnStar

See also:

Delayed Locking
When this feature is enabled and the doors are locked with the power lock switch on the instrument panel or front door panels, three chimes sound to signal that the delayed locking feature is in use ...

Door Locks (Coupe)
WARNING! Unlocked doors can be dangerous. - Passengers — especially children — can easily open the doors and fall out of a moving vehicle. When a door is locked it will not open. You incr ...

Dinghy Towing
Front-wheel—drive and all-wheel-drive vehicles may be dinghy towed from the front. These vehicles can also be towed by placing them on a platform trailer with all four wheels off of the ground. F ...