Lamp Messages

SERVICE LEFT HEADLAMP ASSEMBLY

On some models, this message will be displayed when the left headlamp is out and needs to be serviced. See “LED Lighting” in LED Lighting   for more information.

SERVICE RIGHT HEADLAMP ASSEMBLY

On some models, this message will be displayed when the right headlamp is out and needs to be serviced. See “LED Lighting” in LED Lighting   for more information.

TURN SIGNAL ON

This message displays and a chime sounds if a turn signal is left on for 1.2 km (3/4 of a mi). Move the turn signal/multifunction lever to the off position.

    See also:

    Treadwear
    The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 ...

    Power Reclining Seatbacks
    To adjust a power seatback, if equipped: - Tilt the top of the vertical control rearward to recline. - Tilt the top of the vertical control forward to raise. ...

    Turn-by-Turn
    This display is used for the OnStar or Navigation System Turn-by-Turn guidance. See OnStar Overview or the navigation manual, if the vehicle has navigation, for more information. ...