Add-on Electrical Equipment

The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

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    A spirit of lightness and balance
    Making the Cadillac ATS one of the segment's lightest cars was a fundamental criterion for and the guiding principle during its development, but it was done in a nuanced manner that ensures a refi ...

    Battery Voltage and Charging Messages
    BATTERY SAVER ACTIVE This message displays when the vehicle has detected that the battery voltage is dropping beyond a reasonable point. The battery saver system starts reducing certain features ...

    Antilock Brake System (ABS)
    This vehicle has the Antilock Brake System (ABS), an advanced electronic braking system that helps prevent a braking skid. When the engine is started and the vehicle begins to drive away, ABS check ...