OnStar Additional Information

Cadillac CTS / Cadillac CTS Owners Manual / OnStar / OnStar Additional Information

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Fuel Economy Light
This light should come on briefly as the vehicle is started. If it does not come on, have the vehicle serviced by your dealer. For vehicles with the fuel economy mode light, it comes on when t ...

Different Size Tires and Wheels
If wheels or tires are installed that are a different size than the original equipment wheels and tires, vehicle performance, including its braking, ride and handling characteristics, stability, and ...

Tire Pressure
Tires need the correct amount of air pressure to operate effectively. Notice: Neither tire underinflation nor overinflation is good. Underinflated tires, or tires that do not have enough a ...