Tips on renting a car in Japan

Is renting a car to get around in Japan a good idea?  The video host has useful tips to share with viewers from how to rent a car, what to look for and what not to do.  Most importantly, the long-time resident of Tokyo advises against those who are staying in Japan only for a few days or feel somewhat uncomfortable renting one not knowing the traffic rules or what to say at a gas station to fill the tank.