GMC Terrain: Front Seats / Manual Reclining Seatbacks
Warning
If either seatback is not locked, it
could move forward in a sudden
stop or crash. That could cause
injury to the person sitting there.
Always push and pull on the
seatbacks to be sure they are
locked.

To recline a manual seatback:
- Lift the lever.
- Move the seatback to the
desired position, and then
release the lever to lock the
seatback in place.
- Push and pull on the seatback
to make sure it is locked.
To return the seatback to the upright
position:
- Lift the lever fully without
applying pressure to the
seatback, and the seatback will
return to the upright position.
- Push and pull on the seatback
to make sure it is locked.
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...
To adjust a power seatback,
if available:
Tilt the top of the control
rearward to recline.
Tilt the top of the control forward
to raise.
..
Other information:
The vehicle has an engine coolant
temperature gauge on the
instrument cluster and overheat
messages in the Driver Information
Center (DIC) to warn of engine
overheating. See Engine Coolant
Temperature Gauge.
The decision may be made not to lift
the hood when the engine coolant
temperature gauge is in the
overheat zone or an engine
overheat DIC message displays, but
instead to get servic..
In cold weather, the fuel filter may
become clogged by wax naturally
present in the fuel. To unclog it,
move the vehicle to a warm garage
area and allow the filter to warm up.
The fuel filter may need to be
replaced. See Fuel Filter
Replacement (Diesel).
At temperatures below 0 °C (32 °F),
it is recommended to avoid using
biodiesel blends above 5% blend.
This blend may cause fuel filte..