GMC Terrain: Exterior Lighting / Turn and Lane-Change Signals
Move the lever all the way up or down to signal a turn.
An arrow on the instrument cluster will flash in the direction of the turn or lane change.
Raise or lower the lever until the arrow starts to flash to signal a lane change. Hold it there until the lane change is complete. If the lever is moved momentarily to the lane change position, the arrow will flash three times.
The lever returns to its starting position when it is released.
If after signaling a turn or lane change, the arrow flashes rapidly or does not come on, a signal bulb may be burned out.
Have any burned out bulbs replaced. If a bulb is not burned out, check the fuse. See Instrument Panel Fuse Block.
Hazard Warning Flashers
: Press to make the front and
rear turn signal lamps flash on and
off. This warns others that you are
having trouble.
Press again to turn the
flashers off...
Fog Lamps
The fog lamps button is on the
instrument panel beside the steering
wheel.
To turn on the fog lamps, the ignition
and the headlamps or parking lamps
must be on...
Other information:
GMC Terrain 2018-2025 Owners Manual: Automatic Door Locks
The doors will lock automatically when all doors are closed, the ignition is on, and the vehicle is shifted out of P (Park). If a vehicle door is unlocked and then opened and closed, the doors will lock either when your foot is removed from the brake or the vehicle speed becomes faster than 13 km/h (8 mph)...
GMC Terrain 2018-2025 Owners Manual: Exhaust Fluid Quality Poor
Use only exhaust fluid that is GM approved, or fluid containing the API certified or ISO 22241 label. All DEF has an expiration date. If the system detects poor quality, or contaminated or diluted DEF, the DIC message EXHAUST FLUID QUALITY POOR - SEE OWNERS MANUAL NOW – 160 KM (99 MI) UNTIL 104 KM/H (65 MPH) MAX SPEED displays...
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