GMC Terrain: Fuel / Filling the Tank (Diesel)

Warning

Fuel vapors and fuel fires burn violently and can cause injury or death.

  • To help avoid injuries to you and others, read and follow all the instructions on the fuel pump island.
  • Turn off the engine when refueling.
  • Keep sparks, flames, and smoking materials away from fuel.
  • Do not leave the fuel pump unattended.
  • Avoid using electronic devices while refueling.
  • Do not re-enter the vehicle while pumping fuel.
  • Keep children away from the fuel pump and never let children pump fuel.
  • Fuel can spray out if the fuel cap is opened too quickly. This spray can happen if the tank is nearly full, and is more likely in hot weather. Open the fuel cap slowly and wait for any hiss noise to stop, then unscrew the cap all the way.

GMC Terrain. Filling the Tank (Diesel)

The fuel cap is behind a hinged fuel door on the driver side of the vehicle. To open the fuel door, push and release the rearward center edge of the door.

Turn the fuel cap counterclockwise to remove. Reinstall the cap by turning it clockwise until it clicks.

Warning

Overfilling the fuel tank by more than three clicks of a standard fill nozzle may cause:

  •  Fuel spills
  • Potential fuel fires

Be careful not to spill fuel. Wait a few seconds after you have finished pumping before removing the nozzle. Clean fuel from painted surfaces as soon as possible. See Exterior Care.

Warning

If a fire starts while you are refueling, do not remove the nozzle. Shut off the flow of fuel by shutting off the pump or by notifying the station attendant. Leave the area immediately.

Caution

If a new fuel cap is needed, be sure to get the right type of cap from your dealer. The wrong type of fuel cap may not fit properly, may cause the malfunction indicator lamp to light, and could damage the fuel tank and emissions system. See Malfunction Indicator Lamp (Check Engine Light).

Diesel fuel can foam when filling the tank. This can cause the automatic pump nozzle to shut off, even if the tank is not full. If this happens, wait for the foaming to stop, and then fill the tank more slowly.

Warning

Heat coming from the engine can cause the fuel to expand and force the fuel out of the tank. If something ignites the fuel, a fire could start. To help avoid this, fill the tank slowly and only until the nozzle shuts off. Do not top it off. Clean up any spilled fuel.

Accidental Refueling with Gasoline

If the vehicle is accidentally refueled with gasoline, do not continue driving the vehicle except to get to a location where it can be stopped safely. Driving the vehicle will damage the fuel system. Have the vehicle towed to a qualified technician to have the gasoline removed from the tank and fuel system. Flush the fuel system with Ultra Low Sulfur Diesel fuel to ensure all gasoline is removed.

Diesel Exhaust Fluid (DEF)

GMC Terrain. Filling the Tank (Diesel)

DEF is a non-toxic solution that is sprayed into the exhaust stream of diesel vehicles to cause a chemical reaction and break down NOx emissions into harmless nitrogen and water.

DEF is not a fuel additive and never comes into contact with diesel fuel. It is stored in a separate tank. The fill port is behind the fuel door next to the regular fuel cap. It has a blue filler cap. See Diesel Exhaust Fluid.

    Filling the Tank (Gasoline)

    Warning Fuel vapors and fuel fires burn violently and can cause injury or death. To help avoid injuries to you and others, read and follow all the instructions on the fuel pump island...

    Filling a Portable Fuel Container

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