either way! i normally hold it down while puttng fuel in

Just remember if you're holding the button with the nozzle, to put the last fuel in slowly and watch for the level to rise - if you wait for the pump to cut off on it's own you'll likely get covered in the smelly stuff :)
 
Just remember if you're holding the button with the nozzle, to put the last fuel in slowly and watch for the level to rise - if you wait for the pump to cut off on it's own you'll likely get covered in the smelly stuff :)

i always do but my girlfriend got covered when she tried it:cartman: