as well as hinges in your gas tank cap, glove compartment, and other doors. Corroded parts are some of the hardest to deal with, but by applying WD-40, you can have them loose in no time.

I’m pretty sure that there isn’t a Jalopnik reader out there who doesn’t have a can of WD-40 kicking around ... an outer skin that protected the fuel tanks and two-stage engines within.