See also:

Trailer Towing (CTS-V and Coupe)
The vehicle is neither designed nor intended to tow a trailer. ...

Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when d ...

Storing Memory Positions
To save into memory: 1. Adjust the driver seat, including the seatback recliner and lumbar, both outside mirrors, power steering column, and the throttle and brake pedals. See Power Mirrors  ...