See also:

Manual Operation of Power Liftgate
To change the liftgate to manual operation, press OFF on the liftgate switch. With the power liftgate disabled and all of the doors unlocked, the liftgate can be manually opened and closed. To ope ...

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 to try the call again or try again after driving a few miles into ...

Steering
Hydraulic Power Steering Your vehicle has hydraulic power steering. It may require maintenance. See Power Steering Fluid. If power steering assist is lost due to a system malfunction, the vehic ...