Courtesy Lamps
The courtesy lamps come on automatically when any door is opened and the dome lamp is in the door position.
See also:
Using Voice Commands
During a Planned Route
Cancel Route
1. Push . System responds:
“OnStar ready,” then a tone.
Say “Cancel route.” System
responds: “Would you like to
cancel route directions to your
destination?”.
2. Say “Yes.” Syst ...
Hydraulic Power Steering
Your vehicle has hydraulic power steering. It may require maintenance. See Power
Steering Fluid Power Steering Fluid .
If power steering assist is lost because the engine stops or the power s ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems.
It also checks the tire pressures, if the v ...