They don’t have any performance improving window deacals either. Doesn’t anyone realize that window decals add at least 15 horsepower to your car? All the NASCAR and NHRA cars are covered by them.
You start looking for plumbers putty to fix a battery drain?
you listen to car talk and accually learn somthing!
You think bondo is an adheseve to repir all those annoying rattles and loose fenders.
…you can’t find a metric adjustable wrench…
…you can’t figure out how to replace the spark-plugs with those new $25 plugs you saw on TV for you new Diesel engine.
I can relate to that one! 
(Post in wrong spot. I was referring to the backflagged one!) 
I knew you could relate. (backflagged)
you post a question with the answer already listed?
Not to be nitpicky, but you’re not an electrician if you mention a voltage leak. You can have a current leak, but not a voltage leak
Blackflag is really useful for those pesky cockroaches that want to move in with you. 
If you think that the purpose of the flywheel is to keep flies away from your food when you tailgate.
You get arrested after driving around without hubcaps - indecent exposure - your nuts are showing.
OR
You never figured out the reason for some problems that come through the door are “A loose nut behind the wheel”.
All the tools you own are located in the kitchen junk drawer.
Boot = Trunk
Bonnet = Hood
Windscreen = Windshield
Petrol = Gas
Just some of the basics.
You think racing stripes makes a car go faster!
… you think that modern automotive repair is as simple as rocket science!
…you think that electric cars require long extension cords.
You buy a '60’s era car (a vega) for “getting into the drag scene”.
You buy a '60’s era car (a vega) for “getting into the drag scene”.
You think a Vega is a '60’s era car!
Not to mention the model-specific
MUSTANG - Messed Up Somethin’ Terrible And No Good