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 Q to try the call again or try again after driving a few miles into another cellular area. Vehicle and Power Issues OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
When to Change Engine Oil
This vehicle has a computer system that indicates when to change the engine oil
and filter. This is based on a combination of factors which include engine revolutions,
engine temperature, and mile ...
Safety, Reliability & Mileage
Acadias built after January 2011 are Insurance Institute for Highway Safety
Top Safety Picks, meaning they scored the institute's highest rating "Good" in
all four crash tests the instit ...
Key and Lock Messages
REPLACE BATTERY IN REMOTE KEY
This message displays if a Remote Keyless Entry (RKE) transmitter battery is low. The battery needs to be replaced in the transmitter.
See “Battery Replacement” und ...





