Your car once had a rock-steady speedometer needle, but now it’s wandering a bit — or a lot. Maybe it’s not indicating any speed or it’s showing 60 mph and you know that can’t be right. “An easy way ...

But officer, I couldn’t have been going that fast.” If you’ve ever uttered that statement, you know just how important the speedometer in your vehicle is. So, for a variety of obvious reasons, the ...