See also:

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

At Each Fuel Fill
Engine Oil Level Check Check the engine oil level and add the proper oil if necessary. Notice: It is important to check your oil regularly and keep it at the proper level. Failure to keep your ...

Passenger Sensing System
Your vehicle has a passenger sensing system for the right front passenger’s position. A passenger airbag status indicator in the rearview mirror will be visible when you turn your ignition key to ...