Opel 2014 Insignia Owner's Manual page 211

The fuel filler flap can only be opened
if the vehicle is unlocked. Release the
fuel filler flap by pushing the flap.
To open, turn the cap slowly to the
left.
Petrol and Diesel refuelling
To open, turn the cap slowly to the
left.
The fuel filler cap can be retained in
the bracket on the fuel filler flap.
To refuel, fully insert the pump nozzle
and switch it on.
After the automatic cut-off, the tank
can be topped-up with a maximum
two doses of fuel.
Caution
Wipe off any overflowing fuel
immediately.
To close, turn the fuel filler cap to the
right until it clicks.
Close the flap and let engage.
Driving and operating
Liquid gas refuelling
Follow the operating and safety
instructions of the filling station when
refuelling.
The filling valve for the liquid gas is
behind the fuel filler cap.
Unscrew protective cap from the filler
neck.
209