Vehicle and Power Issues

OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

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    Exterior
    The ATS' narrower headlights represent the closest interpretation yet of the slit-like lamps on Cadillac's Ciel and Converj concepts shown in 2011 and 2009, respectively. The protruding nose with ...

    Keyless Unlock
    If the vehicle has the keyless access system, this feature allows you to select which doors will automatically unlock when you approach the vehicle with the keyless access transmitter and ...

    New Vehicle Break-In
    Follow these recommended guidelines during the first 2 414 km(1,500 miles) of driving this vehicle. Parts have a break-in period and performance will be better in the long run. For the firs ...