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:
DIC Operation and Displays
Use the DIC buttons located in the center of the instrument panel to access different
displays. The DIC displays trip, fuel, vehicle system information, and warning messages.
It also shows the shi ...
When It Is Time for New Tires
Factors such as maintenance, temperatures, driving speeds, vehicle loading, and road conditions affect the wear rate of the tires.
Treadwear indicators are one way to tell when it is time for new t ...
General Information
This maintenance section applies to vehicles with a gasoline engine. For diesel engine vehicles, see the maintenance schedule section in the Duramax Diesel Supplement.
Your vehicle is an important in ...