At a time when vehicle diagnostics can demand a computer science degree, being able to get some insight into your engine health with nothing but a rag and a bit of know-how can be downright refreshing ...

According to Fullyglued, he left his 2023 Hyundai Palisade in his garage for 16 hours before checking the dipstick. When he first checked, the dipstick read that his oil level was a little low. But ...