GMC Terrain: Lumbar Adjustment
Power Lumbar
Eight-Way Power Seat Shown, Four-Way Similar
A. Lumbar Switch
If available, press and hold the front or rear of the switch (A) to increase or decrease lumbar support. Release the switch when the seatback reaches the desired level of lumbar support.
Eight Way Power Seats
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 or rear part of the seat cushion by movi ...Reclining Seatbacks
WARNING Sitting in a reclined position when the vehicle is in motion can be dangerous. Even when buckled up, the safety belts cannot do their job when reclined like this. The shoulder belt cannot ...See also:
Instrument brightness control
The instrument brightness control operates
when the headlight switch is in the or
position.
Turn the control A to adjust the brightness of
the meter panel and the instrument panel lights.
...
Towing a disabled vehicle
Proper towing or lifting equipment is required to prevent
damage to your vehicle. Use of safety chains is recommended.
Attach towing device to main structural members
of the vehicle, not to bump ...
Hydroplaning
If water has accumulated to a certain depth on the road surface, there is a danger
of hydroplaning occurring, even if:
you drive at low speeds.
the tires have adequate tread depth.
For this ...