Now that your young teen driver has a driver's license and you are reasonably secure with their driving abilities, you need to make sure that driver's education doesn't end at traffic laws. Your new driver needs to be made aware of proper automotive maintenance. Who better than the regular driver of the vehicle to be made responsible for such things as maintaining fluid levels, regularly checking tire pressure and keeping windshields and headlights clean.
All cars, new or old, need regular attention. Make sure your new driver knows the vehicle maintenance schedule. Make your child aware of the importance of maintaining a safe, operating vehicle, and also the large amount of money that he/she will save by maintaining the automobile properly. Use the owner's manual, sharing the information contained therein about maintenance and safety.