Unable to Connect to OnStar Message
If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push 
to try the call again or try again after driving a few miles into another cellular area.
See also:
Interior Care
To prevent dirt particle abrasions, regularly clean the vehicle's interior. Immediately
remove any soils. Note that newspapers or dark garments that can transfer color
to home furnishings can ...
Compass Messages
CAL
This message is displayed when the compass needs to be calibrated. See Compass
on page 5‑5.
– – –
Three dashes will be displayed if the compass needs service. See your dealer
fo ...
Starter Switch Check
WARNING
When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.
1. Before starting this check, be sure there is enough room around ...