GMC Terrain: Front Seats / Power Seat Adjustment
Warning
The power seats will work with
the ignition off. Children could
operate the power seats and be
injured. Never leave children
alone in the vehicle.

To adjust a power seat, if equipped:
- Move the seat forward or
rearward by sliding the control
forward or rearward.
- Raise or lower the front part of
the seat cushion by moving the
front of the control up or down.
- Raise or lower the entire seat by
moving the rear of the control up
or down.
To adjust the seatback, see
Reclining Seatbacks.
Warning
You can lose control of the
vehicle if you try to adjust a driver
seat while the vehicle is moving.
Adjust the driver seat only when
the vehicle is not moving...
Lumbar Adjustment
If equipped, press and hold the front
or rear of the control to increase or
decrease lumbar support.
Reclining Seatbacks
Warning
Sitting in a reclined position when
the vehicle is in motion can be
dangerous...
Other information:
The brake master cylinder reservoir
is filled with GM approved DOT 3
brake fluid as indicated on the
reservoir cap. See Engine
Compartment Overview for
the location of the reservoir.
Checking Brake Fluid
With the vehicle in P (Park) on a
level surface, the brake fluid level
should be between the minimum
and maximum marks on the brake
fluid reservoir...
Hill Descent Control Light
If equipped, the Hill Descent Control
light comes on when the system is
ready for use. When the light
flashes, the system is active.
See Hill Descent Control (HDC).
Lane Keep Assist (LKA) Light
If equipped, this light is green if LKA
is available to assist...