OnStar

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General Towing Information
Only use towing equipment that has been designed for the vehicle. Contact your dealer or trailering dealer for assistance with preparing the vehicle for towing a trailer. See the following trailer ...

Engine Compartment Fuse Block (CTS-V Coupe and Sedan)
This fuse block is on the left side of the engine compartment. Lift the fuse block cover to access the fuses. The vehicle may not be equipped with all of the fuses and relays shown. Notic ...

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 ...