GMC Terrain: Exterior Lighting / Daytime Running Lamps (DRL)
DRL can make it easier for others to see the front of your vehicle during the day. Fully functional DRL are required on all vehicles first sold in Canada.
The DRL system comes on in daylight when the following conditions are met:
- The ignition is on.
- The exterior lamp control is in AUTO.
- The vehicle is not in P (Park).
- The light sensor determines it is daytime.
When the DRL are on, the taillamps, sidemarker lamps, instrument panel lights, and other lamps will not be on. The instrument cluster will be lit.
The DRL turn off when the
headlamps are turned to 
or the
ignition is off. For vehicles first sold
in Canada, the DRL can only be
turned off when the vehicle is
parked.
The regular headlamp system should be turned on when needed.
Headlamp High/Low-Beam Changer anf Flash-to-Pass
Headlamp High/Low-Beam Changer
Push the turn signal lever away
from you and release, to turn the
high beams on. To return to low
beams, push the lever again or pull
it toward you and release...
Automatic Headlamp System
When the exterior lamp control is
set to AUTO and it is dark enough
outside, the headlamps come on
automatically.
There is a light sensor on top of the
instrument panel...
Other information:
GMC Terrain 2018-2022 Owners Manual: Driver Information Center (DIC)
The DIC display is in the instrument cluster. It shows the status of many vehicle systems. or : Press to move up or down in a list. or : Press to move between the interactive display zones in the cluster. : Press to open a menu or select a menu item...
GMC Terrain 2018-2022 Owners Manual: Engine Oil Life System
When to Change Engine Oil This vehicle has a computer system that indicates when to change the engine oil and filter. This is based on a combination of factors which include engine revolutions, engine temperature, and miles driven. Based on driving conditions, the mileage at which an oil change is indicated can vary considerably...
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