See also:

Rear Window Sunshade
On vehicles with a rear window sunshade, the switch is on the console to the right of the shift lever. The sunshade only operates when the ignition is in ON/RUN or ACC/ACCESSORY. To open the s ...

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. ...

Selecting the Right Engine Oil
Selecting the right engine oil depends on both the proper oil specification and viscosity grade. See Recommended Fluids and Lubricants . Specification Use and ask for licensed engine oils with the ...