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:
Before Driving
The RSE is designed for rear seat passengers only. The driver cannot safely view the video screen while driving and should not try to do so.
In severe or extreme weather conditions, the RSE system mi ...
Top Tether Anchor
A top tether (A, C) anchors the top of the child restraint to the vehicle.
A top tether anchor is built into the vehicle. The top tether attachment (B) on the child restraint connects to the top te ...
Adding or Removing Categories
1. From the Home Page press the Config screen button or the CONFIG button on
the faceplate.
2. Select Radio Settings from the Config Menu list.
3. Select Add/Remove XM Categories.
4. From the Add ...