See also:

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 ...

Interior Cleaning
The vehicle’s interior will continue to look its best if it is cleaned often. Although not always visible, dust and dirt can accumulate on the upholstery. Dirt can damage carpet, fabric, leath ...

Setting the Clock (Radio with CD)
The clock menu can be only be used with the radio on while in ON/RUN or ACC/ACCESSORY. To set the time: 1. Press the CONFIG button and select Time Settings or press H. 2. Select Set Time. 3. Tu ...