I took my car in to the shop because the "check engine" light was on and found out this was simply due to my gas cap being loose. Why would that set off the warning light? – Louis in Duncan, B.C.

Fact: Check engine lights lead to gray hairs and sleepless nights. Just kidding, they’re important warning signs that help you maintain your ride’s health and well-being. But what happens when that ...

Q: I had a problem with my car; the check engine light was on. When I went to the repair shop they tested everything out and told me the battery was faulty. They replaced the battery and the ...