Your underwear.

"SW" wrote in message
. ..
Your mind. About working on your car?
wrote in message
...
You're out in your garage working on your car. You got a lot of
repairs to make, but you are short on time, and decide to do something
easy. But what is the easiest thing to change when working on a car?

Post your answers and guesses below.

[The correct answer will be posted in a few days]

What is the easiest thing to change when working on a car?