Engine Oil Additives / Engine Oil Flushes

Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M 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:

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    Power Reclining Seatbacks To raise or recline the seatback, tilt the top of the vertical control forward or rearward. See Reclining Seatbacks. ...