At Least Once a Month

Tire Inflation Check

Visually inspect your vehicle’s tires and make sure they are inflated to the correct pressures.

Do not forget to check the spare tire.

Tire Wear Inspection

Tire rotation may be required for high mileage highway drivers prior to the Engine Oil Life System service notification. Check the tires for wear and, if necessary, rotate the tires.

    See also:

    If the Off Indicator Is Lit for an Adult-Size Occupant
    If a person of adult size is sitting in the front outboard passenger seat, but the off indicator is lit, it could be because that person is not sitting properly in the seat. Use the following st ...

    Customer Assistance for Text Telephone (TTY) Users
    To assist customers who are deaf, hard of hearing, or speech-impaired and who use Text Telephones (TTYs), Buick has TTY equipment available at its Customer Assistance Center. Any TTY user can communic ...

    Instrument Panel Brightness
    Press the knob located next to the exterior lamps knob to extend it. Turn the knob to adjust the instrument panel lights. Turn the knob all the way up to turn on the interior lamps. Press the k ...