Toyota belted base for the G0 car seat (73700-0W070) is the safest and most secure of any belted base for approved cars. It has a unique belt tensioning system and is very easy to install. Simply push the release button at the front of the base and remove the infant carrier, while the base remains in the car. ****Please Note**** This part number has been marked as no longer available, please contact us to check if this is still the case!