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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    What to Use
    When windshield washer fluid needs to be added, be sure to read the manufacturer's instructions before use. Use a fluid that has sufficient protection against freezing in an area where the tem ...

    Overview
    Cadillac unveiled the 2007 Escalade, the next generation of the iconic luxury SUV. The all-new Escalade establishes a new level of refinement and style, delivered with an instantly recognizable fo ...

    Engine Cooling System Messages
    ENGINE HOT A/C (AIR CONDITIONING) OFF This message displays when the engine coolant becomes hotter than the normal operating temperature. See Engine Coolant Temperature Gauge. To avoid add ...