Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If a diagnostics check is needed between e-mails, push
, and an Advisor can run a check.
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, ...
Back–Up Lamp
Removal of the lamp assembly is not required to replace the back-up lamp bulb.
To replace one of these lamps:
1. Open the liftgate. See Liftgate on page 2‑9.
2. Remove the interior trim acces ...
Storing an XM Channel as a Favorite
To store a station as a favorite:
1. Tune to an XM channel.
2. Press the FAV button to display the page where the station will be stored.
3. Press and hold one of the six softkeys until a beep soun ...