See also:

Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, ...

Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody. Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop. ...

Remote Vehicle Start
The vehicle may have this feature that allows you to start the engine from outside the vehicle. (Remote Vehicle Start): This button will be on the RKE transmitter if the vehicle has remote start. ...