See also:

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 pho ...

Power Door Locks
With power door locks, the switches on the front doors can be used to lock and unlock the vehicle. If available, the switches are on the front doors. (Unlock): Press to unlock the doors. (Lock): Pr ...

Special Application Services
○ Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/ 3,000 mi. ○ Have underbody flushing service performed once a year. ...