GMC Terrain: Electrical System / Rear Compartment Fuse Block
The rear compartment fuse block is behind a trim panel on the side of the rear compartment.
Remove the trim plate to access the fuse block.
The vehicle may not be equipped with all of the fuses and relays shown.
Fuses Usage
F1 Exhaust fuel heater
F2 Liftgate
F3 Trailer auxiliary power
F4 Passenger Power Seat
F5 Memory seat module
F6 Sunroof
F7 Side blind zone alert
F8 Trailer reverse lamps
F9 Rear heated seat 1
F10 Park Lamps
F11 Rear heated seat 2
F12 –
F13 Trailer parking lamp
F14 Right trailer stoplamp/Turn signal lamp
F15 Left parking lamp
F16 Right parking lamp
F17 –
F18 Left trailer stoplamp/Turn signal lamp
F19 All-wheel drive
F20 Lumbar
F21 Rear auxiliary power outlet
F22 Rear drive unit
Relays Usage
K1 Right trailer stoplamp/Turn signal lamp
K2 Trailer reverse lamps
K3 Left trailer stoplamp/Turn signal lamp
K4 Parking lamps
K5 Selective catalytic reduction (SCR) – (diesel only)
Instrument Panel Fuse Block
The instrument panel fuse block is
under the instrument panel on the
driver side.
To access the fuses, press and
release the latch near the top center
square...
Other information:
GMC Terrain 2018-2025 Owners Manual: New Vehicle Break-In
Caution The vehicle does not need an elaborate break-in. But it will perform better in the long run if you follow these guidelines: Do not drive at any one constant speed, fast or slow, for the first 800 km (500 mi). Do not make full-throttle starts. Avoid downshifting to brake or slow the vehicle. Avoid making hard stops for the first 300 km (200 mi) or so. During this time th..
GMC Terrain 2018-2025 Owners Manual: Manual Mode
Electronic Range Select (ERS) Mode ERS or manual mode allows for the selection of the range of gear positions. Use this mode when driving downhill or towing a trailer to limit the top gear and vehicle speed. The shift position indicator within the Driver Information Center (DIC) will display a number next to the L indicating the highest available gear under manual mode and the driving c..