OnStar Services

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What to Add
Use only new DOT 3 brake fluid from a sealed container. See Recommended Fluids and Lubricants. Always clean the brake fluid reservoir cap and the area around the cap before removing it. This helps ...

Rear Window Defogger
(Rear Defogger): Press to turn the rear window defogger on or off. The rear window defogger turns off after about 10 minutes. It can also be turned off by turning the ignition to ACC/ACCESSORY or ...

USB Port
For vehicles with a USB port, the following devices may be connected and controlled by the infotainment system. • iPods • PlaysForSure Devices (PFDs) • USB Drives • Zunes™ • USB ...