OnStar Overview
EmergencyAutomatic Door Locks
If equipped, the vehicle is programmed so that when the doors are closed, the
ignition is on, and the shift lever is moved out of P (Park) for automatic transmissions,
or the vehicle speed is above 13 km/h (8 mph) for manual transmissions, the doors
and the liftgate will lock.
To unlock the d ...
Hands-Free Phone
General Information without Touchscreen
To use the hands-free phone on vehicles
without a touchscreen radio, press ,
select Onstar Hands-Free Calling, then enter the desired number.
General Information with Touchscreen
Vehicles with a Hands-Free Phone system can use a Bluetooth-capable cell p ...
Recreational Vehicle Towing
Recreational vehicle towing refers to towing the vehicle behind another vehicle,
such as behind a motor home. The two most common types of recreational vehicle towing
are known as dinghy towing and dolly towing. Dinghy towing is towing the vehicle
with all four wheels on the ground. Dolly towi ...