Lumbar Adjustment

Power Lumbar

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If available, press and hold the front or rear of the control to increase or decrease lumbar support. Release the control when the seatback reaches the desired level of lumbar support.

    See also:

    Navigation
    OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the v ...

    Interior
    The ESV's extended dimensions don't yield significant gains for first- or second-row occupants, but third-row passengers gain nearly 10 inches of legroom. Cargo volume behind the third row increas ...

    Diagnostics
    OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...