Roof Rack System
The roof rack cross rails can be locked in four positions along the roof rack side rails. Lift the lever to release and move the cross rail. Push the lever down to completely engage into the side rail holes. Slide the cross rails back and forth until the lock pins engage in the holes and a click is heard.
When the roof rack is not in use, lock one cross rail at the furthest forward position and lock the other cross rail at the furthest rearward position to reduce wind noise.
See also:
OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services.
The OnStar system statu ...
Hazard Warning Flashers
(Hazard Warning Flasher): Press
this button, on the center of the instrument panel, to make the front and rear turn
signal lamps flash on and off. This warns others that you are having trouble. ...
OnStar Mobile App
With an iPhone® or Android™-based mobile device, an OnStar mobile app can be
downloaded. The vehicle can be remote started, if equipped, or the doors can be
unlocked from anywhere there is cell ...