First Engine Oil Change After Every 80 000 km/50,000 Miles

• Engine air cleaner filter replacement. See Engine Air Cleaner/Filter.

• Automatic transmission fluid change (severe service) for vehicles mainly driven in heavy city traffic in hot weather, in hilly or mountainous terrain, when frequently towing a trailer, or used for taxi, police, or delivery service. See Automatic Transmission Fluid.

    See also:

    OnStar Overview
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    Approaching a Hill
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    Using the Tire Sealant and Compressor Kit without Sealant to Inflate a Tire (Not Punctured)
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