Wiper Blades
Wiper blades need to be cleaned and kept in good condition to provide a clear view.
• Signs of wear include streaking, skipping across the windshield, and worn or split rubber.
• Trained dealer technicians can check the wiper blades and replace them when needed.
See also:
Trailer Gain and Output
On vehicles with the Integrated Trailer Brake Control (ITBC) system, the trailer brake display appears in the DIC. Press the vehicle information button until TRAILER GAIN and OUTPUT display.
TRAILER ...
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 ...
Entry Lighting
The dome lamp, cargo lamp, and foot lamp inside the vehicle come on when any
door is opened, if the dome lamp is in the door position. In addition, these lamps
come on when the Remote Keyless Entr ...





