OnStar

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Turn Signals When Towing a Trailer
The turn signal indicators on the instrument panel flash whenever signaling a turn or lane change. Properly hooked up, the trailer lamps also flash, telling other drivers the vehicle is turning, ...

Playing an MP3/WMA from a Disc or a USB Storage Device
Selecting an MP3 Track Tracks can be selected using the seek buttons, the TUNE/TONE knob, or the softkeys below the folder tabs on the infotainment display. To use the seek buttons: Press t ...

When to Check Lubricant
It is not necessary to regularly check rear 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. All ax ...