How Do I Know If My Car Is A Flex Fuel Car

1. 2016 Ram what type of oil should I use? Synthetic or not? 2. 2018 Ford F150 Coyote Engine has engine noise. 3. Which Muscle Car should I buy? 2010-2013 Camaro, Mustang, or Challenger? 4. Flex Fuel or not. How can I tell what my car is? 5. Thank you Under The Hood! 6. 2016 Toyota 4Runner coils an plugs or not? 7.2017 F250 Diesel Using a battery maintainer.