More specifically, when you rent a vehicle you are contractually obligated to return the vehicle in the. So the child wouldn't be allowed to drive a car rented by their parent unless they were added to the contract, in which case the rental company's age restrictions might kick in. Rent A Car In Japan With Japan Experience Rent A Car Japan Self Driving Conditions vary, so do check your rental’s terms and conditions. What happens if a 17 year old drives a rental car . Only a small percentage of the major international car hire. The driver may not transport any passengers under 20 unless they are supervised by a driver at least 25 years of age. At age 17, a driver is eligible for an unrestricted license. Note that the young drivers surcharge may vary depending on the location. James must check the local policies of the rental location he is considering. You are responsible for the car while it’s your rental, so treat it as you would your own car. Even thoug...