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:
Passenger Safety BeltReminder Light
Several seconds after the key is turned to RUN or
START, a chime will sound for several seconds to
remind the front passenger to buckle their safety
belt. This would only occur if the passenger air ...
Fuel E85 (85% Ethanol)
If the vehicle has the 3.9L V6 engine (VIN Code M), you
can use either unleaded gasoline or ethanol fuel
containing up to 85% ethanol (E85). See Fuel. In all other engines, use only the unleaded
...
Recommended Fluids andLubricants
Fluids and lubricants identified below by name,
part number, or specification may be obtained from
your dealer.
...