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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    Consistency of Readings
    Always check the fluid level at least twice using the procedure described previously. Consistency (repeatable readings) is important to maintaining proper fluid level. If readings are still inconsiste ...

    The Package
    Unlike the GMC Yukon and other truck-based SUVs, the Acadia is based on an all-new carlike platform. Because it doesn't use a truck's heavy-duty underpinnings, there's more room in the cabin for s ...

    Engine Oil Pressure Gauge
    Metric English The engine oil pressure gauge shows the engine oil pressure in kPa (kilopascals) or psi (pounds per square inch) when the engine is running. Oil pressure can vary with engine spe ...