GMC Terrain: Gasoline Specifications (U.S. and Canada Only)
At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB&-3.5 or 3.511 in Canada. Some gasolines contain an octane-enhancing additive called methylcyclopentadienyl manganese tricarbonyl (MMT). We recommend against the use of gasolines containing MMT. See Fuel Additives on page 9‑52 for additional information.
Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when ...California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this fuel i ...See also:
Message center (if equipped)
Your vehicle’s message center is capable of monitoring many vehicle
systems and will alert you to potential vehicle problems and various
conditions with an informational message followed by a long ...
Replacement Bulbs
For replacement bulbs not listed here, contact your dealer. ...
Older Children And Child Restraints
Children who are two years old or who have outgrown
their rear-facing convertible child seat can ride forwardfacing
in the vehicle. Forward-facing child seats and
convertible child seats used in ...