Engine Oil Additives/Engine Oil Flushes

Do not add anything to the oil. The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection.

Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.

    See also:

    Audio System(s)
    Determine which radio the vehicle has and read the following pages to become familiar with its features. WARNING: Taking your eyes off the road for extended periods could cause a crash resulting ...

    Storing Name Tags
    The system can store up to thirty phone numbers as name tags that are shared between the Bluetooth and OnStar systems. The system uses the following commands to store and retrieve phone numbers ...

    Daytime Running Lamps (DRL)
    Daytime Running Lamps (DRL) can make it easier for others to see the front of your vehicle during the day. Fully functional daytime running lamps are required on all vehicles first sold in Canada. T ...