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, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.
See also:
Cellular and GPS Antennas
Avoid placing items over or near
the antenna to prevent blocking
cellular and GPS signal reception.
Cellular reception is required for
OnStar to send remote signals to
the vehicle. ...
Map Adjustments
The system lets you adjust the scale of view on the map. Also, as you drive,
the map scrolls automatically based on the direction of travel. ...
XM Weather
Press the Weather screen button to display the Current or Extended Forecast Weather.
The Extended Forecast Weather screen displays five days of the forecasted weather
at the vehicle’s current posit ...