Door Ajar Messages
DOOR OPEN
A door open symbol will be displayed on the DIC showing which door is open. If the vehicle has been shifted out of P (Park), a DOOR OPEN message will also be displayed. Close the door completely.
MANUALLY CLOSE THE POWER LIFTGATE
This message will display if the power liftgate encounters multiple obstacles on the same power cycle. After removing the obstructions, the liftgate will resume normal power operation.
REAR ACCESS OPEN
This message will display along with a symbol when the liftgate is open. Close the liftgate completely.
See also:
How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance,
Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation,
and Hands-Free Callin ...
Hill Start Assist (HSA)
Non-hybrid vehicles with StabiliTrak have a Hill Start Assist (HSA) feature, which may be useful when the vehicle is stopped on a grade.
This feature is designed to prevent the vehicle from rolling, ...
Manual Mode
Electronic Range Select (ERS) Mode
ERS mode allows you to choose the top-gear limit of the transmission and the vehicle's speed while driving downhill or towing a trailer.
The vehicle has an electro ...