GMC Terrain: Roof / Sunroof
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Sunroof Switch
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Sunshade Switch
If equipped, the sunroof only operates when the ignition is on or in ACC/ACCESSORY, or when Retained Accessory Power (RAP) is active.
See Ignition Positions and Retained Accessory Power (RAP).
Sunroof Switch
Express-Open/Express-Close : To
express-open the sunroof, press
and release 
(1). Press and
release 
(1) at any time to stop
movement. To express-close the
sunroof, press and release 
(1).
Press and release 
(1) at any
time to stop movement.
Open/Close (Manual Mode) : To
open the sunroof, press and hold
(1) until the sunroof reaches
the desired position. To close the
sunroof, press and hold 
(1).
Comfort Stop : The sunroof has a
comfort stop feature that stops the
sunroof from opening fully. Press
and release the rear of 
to
move the sunroof to the partially
opened comfort stop position.
Pressing the rear of 
again will
open the sunroof fully. If the
sunshade is not fully open when the
comfort stop feature is pressed the
second time, the sunshade will open
fully.
Vent : From the closed position,
press and release 
(1) to vent
the sunroof. Press and release 
(1) to close the vent.
Sunshade Switch
Express-open/Express-close : To
express-open the sunshade, press
and release 
(2). Press and
release 
(2) at any time to stop
movement. To express-close the
sunshade, press and release 
(2). Press and release 
(2) at
any time to stop movement.
Open/Close (Manual Mode) : To
open the sunshade, press and hold 
(2) until the sunshade reaches
the desired position. To close the
sunshade, press and hold 
(2).
When the sunroof is opened, an air
deflector will automatically raise.
The air deflector will retract when
the sunroof is closed.
The sunroof cannot be opened or closed if the vehicle has an electrical failure.
Roof
..
Automatic Reversal System
The sunroof has an automatic
reversal system that is only active
when the sunroof is operated in
express-close mode.
If an object is in the path while
express closing, the reversal system
will detect an object, stop, and open
the sunroof again...
Other information:
GMC Terrain 2018-2024 Owners Manual: Low Fuel Warning Light
For the base level cluster, this light comes on when the fuel tank is low on fuel. The light turns off when fuel is added. If it does not, have the vehicle serviced. For the uplevel cluster, this light is near the fuel gauge and comes on briefly when the ignition is turned on as a check to show it is working...
GMC Terrain 2018-2024 Owners Manual: Malfunction Indicator Lamp (Check Engine Light)
This light is part of the vehicle’s emission control on-board diagnostic system. If this light is on while the engine is running, a malfunction has been detected and the vehicle may require service. The light should come on to show that it is working when the ignition is in Service Mode...
