The gas cap can prevent vandals from siphoning out (stealing) your gas if you have the type with a lock.
whenever you can reach the gas pedal, the brake dont matter
You open the gas cap and this will depressurize the gas lines.
gas cap loose..
what kind of car
Check your gas cap to see if it is on right. I had that once and it was my gas cap not being on right.
Unlocking the car doors normally unlocks the cover for the gas cap.
open the gas door on side of car and then twist the (nozzle- cap) and put the gas despencer in it and start pumping
You have to remove the gas cap first.
No gasoline used in your car is in a liquid state.
Vapor locking ...try a new cap
Try changing the gas tank cap, if it does not help you might have to replace the charcoal canister because it does not release gas fume pressure.