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:
Driving in Mud, Sand, Snow, or Ice
Use a low gear when driving in mud – the deeper the mud, the lower the gear.
Keep the vehicle moving to avoid getting stuck.
Traction changes when driving on sand. On loose sand, such as on beach ...
Off-Road Driving
All-wheel-drive vehicles can be used for off-road driving. Vehicles without all-wheel
drive and vehicles not equipped with All Terrain (AT) or On-Off Road (OOR) tires
must not be driven off-road e ...
How to Check Lubricant
2500HD with 6.0 L
All Other Series and Engines
To get an accurate reading, the vehicle should be on a level surface.
• For all 4.3 L, 4.8 L and 5.3 L 1500 Series applications, the proper leve ...





