In the old days you could tell which side of a car the gas cap was on (most of the time), by where the exhaust was. Gas was on the opposite side.
Gas cap light on dash board | Jeep Wrangler Forums (JL / JLU) -- Rubicon, 4xe, 392, Sahara, Sport - JLwranglerforums.com
![Check Fuel Cap Message Display | What Does It Mean? What To Do? How To Fix, Reset, Symptom & Causes - YouTube Check Fuel Cap Message Display | What Does It Mean? What To Do? How To Fix, Reset, Symptom & Causes - YouTube](https://i.ytimg.com/vi/cU1vHBgLmLA/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLAFRdFGTP5WEZG5auk1q1-d38hjqw)
Check Fuel Cap Message Display | What Does It Mean? What To Do? How To Fix, Reset, Symptom & Causes - YouTube
![Check fuel cap - the check fuel cap light came on what does that mean I've checked cap and gave it a good good turns its on there but seems like the Check fuel cap - the check fuel cap light came on what does that mean I've checked cap and gave it a good good turns its on there but seems like the](https://preview.redd.it/pw5425ibj6x71.jpg?auto=webp&s=f54a8c4e493fecfb8c31cb3e638dffc5324a6618)