See also:

Universal Remote System Programming
Vehicles with the Universal Remote System will have these buttons located in the headliner. This system provides a way to replace up to three remote control transmitters used to activate device ...

When to Check and Change Lubricant
It is not necessary to regularly check front axle fluid unless there is a leak suspected or an unusual noise is heard. A fluid loss could indicate a problem. Have it inspected and repaired. ...

Connections
OnStar Hands-Free Calling allows calls to be made and received from the vehicle. The vehicle can also be controlled from a cell phone through the OnStar RemoteLink mobile app. See www.onstar.com f ...