GMC Terrain: Fuel / Top Tier Fuel (Gasoline and Diesel)
Top Tier Fuel (Gasoline)
GM recommends the use of TOP TIER Detergent Gasoline to keep the engine clean, reduce engine deposits, and maintain optimal vehicle performance. Look for the TOP TIER Logo or see www.toptiergas.com for a list of TOP TIER Detergent Gasoline marketers and applicable countries.
Top Tier Fuel (Diesel)
GM recommends the use of TOP TIER Diesel Fuel to keep the engine clean, reduce engine deposits, and maintain optimal vehicle performance. Look for the TOP TIER Logo or see www.toptiergas.com for a list of TOP TIER Diesel Fuel marketers and applicable countries.
Fuel
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Recommended Fuel (LYX - 1.5L L4 Turbo Engine, LTG - 2.0L L4 Turbo Engine)
LYX - 1.5L L4 Turbo Engine
Do not use any fuel labeled E85 or
FlexFuel. Do not use gasoline with
ethanol levels greater than 15% by
volume.
Use regular unleaded gasoline
meeting ASTM specification D4814
with a posted octane rating of 87 or
higher...
Other information:
GMC Terrain 2018-2025 Owners Manual: Vehicle Personalization Settings
To have the Seat Entry Memory movement begin when the vehicle is started, select the Settings menu, then Vehicle, then Seating Position, and then Seat Entry Memory. Select On or Off. See “Seat Entry Memory” later in this section. Seat Exit Memory movement begins when the ignition is turned off and the driver door is opened, or when the ignition is turned off with the d..
GMC Terrain 2018-2025 Owners Manual: Courtesy Lamps and Dome Lamps
Courtesy Lamps The courtesy lamps come on when any door is opened and the OFF indicator light is turned off. See Dome Lamps. Dome Lamps The dome lamp controls are in the overhead console. To operate, press the following buttons: OFF : Press to turn off the dome lamps when a door is open. An indicator light on the button will turn on when the dome lamp override is activated. Press O..
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Vehicle Messages
Messages displayed on the DIC indicate the status of the vehicle or some action that may be needed to correct a condition. Multiple messages may appear one after another.
The messages that do not require immediate action can be acknowledged and cleared by pressing V. The messages that require immediate action cannot be cleared until that action is performed.
