Mitsubishi MOTORS Colt 2007 Owner's Manual page 24

General information
RHD
4
3. Open the fuel tank filler tube by slowly turning the cap
anticlockwise.
A- Remove
B- Close
CAUTION
!
● As the fuel system may be under pressure, remove
the fuel tank filler tube cap slowly. This will relieve
any pressure or vacuum that might have built up in
the fuel tank. If the cap is venting vapor or if you
hear a hissing sound, wait until it stops before
removing the cap. Otherwise, fuel may spray out,
injuring you or others.