GMC Terrain: Fuel / Prohibited Fuels (Gasoline)
Caution
Do not use fuels with any of the following conditions; doing so may damage the vehicle and void its warranty:
- For vehicles that are not FlexFuel, fuel labeled greater than 15% ethanol by volume, such as mid-level ethanol blends (16–50% ethanol), E85, or FlexFuel.
- Fuel with any amount of methanol, methylal, ferrocene, and aniline. These fuels can corrode metal fuel system parts or damage plastic and rubber parts.
- Fuel containing metals such as methylcyclopentadienyl manganese tricarbonyl (MMT), which can damage the emissions control system and spark plugs.
- Fuel with a posted octane rating of less than the recommended fuel. Using this fuel will lower fuel economy and performance, and may decrease the life of the emissions catalyst.
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...
Fuels in Foreign Countries
The U.S., Canada, and Mexico post
fuel octane ratings in anti-knock
index (AKI). For fuel not to use in a
foreign country, see Prohibited
Fuels (Gasoline)...
Other information:
GMC Terrain 2018-2026 Owners Manual: Reporting Safety Defects to the United States Government
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying General Motors. If NHTSA receives similar complaints, it may open an investigation, and if it finds that a safety defect exists in a group of vehicles, it may order a reca..
GMC Terrain 2018-2026 Owners Manual: Where to Put the Restraint
According to accident statistics, children and infants are safer when properly restrained in an appropriate child restraint secured in a rear seating position. Whenever possible, children aged 12 and under should be secured in a rear seating position. Never put a rear-facing child restraint in the front. This is because the risk to the rear-facing child is so great if the airbag deploys. ..
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