Additional Maintenance and Care

Your vehicle is an important investment and caring for it properly may help to avoid future costly repairs. To maintain vehicle performance, additional maintenance services may be required. It is recommended that your dealer perform these services — their trained dealer technicians know your vehicle best.

Your dealer can also perform a thorough assessment with a multi-point inspection to recommend when your vehicle may need attention. The following list is intended to explain the services and conditions to look for that may indicate services are required.

See also:

Entry Lighting
For vehicles with courtesy lamps, they come on and stay on for a set time whenever is pressed on the Remote Keyless Entry (RKE) transmitter. If a door is opened, the lamps stay on while it is open a ...

Storing Radio Station Presets
There are a few ways to store presets. Up to 36 preset stations can be stored. AM, FM, and XM, if equipped, can be mixed. 1. From the AM, FM, or XM main page, press and hold one of the preset screen ...

Engine Oil
For diesel engine vehicles, see “Engine Oil” in the Duramax Diesel Supplement. To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these si ...