Diagnostics

OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring System. If a diagnostics check is needed between e-mails, push an Advisor can run a check., and an Advisor can run a check.

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    Powertrains
    Direct injection technology helps the Cadillac CTS offer more power while maintaining fuel economy and lowering emissions. It delivers fuel more precisely to increase the efficiency of combustion. ...

    Manual Operation
    (Power): Press to turn the climate control system on or off. When the climate control system is turned off the air inlet defaults to outside air. (Fan Control): Press the buttons to increa ...

    Coverage
    Services are provided up to 5 years/ 160 000 km (100,000 mi), whichever comes first. In the U.S., anyone driving the vehicle is covered. In Canada, a person driving the vehicle without permission ...