THE 2ND AND 3RD ROW SEAT BELTS ARE POORLY DESIGNED. IN ORDER FOR AN ADULT TO SIT IN THE BACK SEATS, THEY MUST SIT SIDEWAYS OR THE SEAT BELT WILL DIG RIGHT INTO THEIR HIPS. IT IS SO PAINFUL THAT PUTTING ON THE SEAT BELT AT ALL ONLY MAKES THE PROBLEM WORSE. ALSO, IT IS EXTREMELY DIFFICULT TO INSTALL A CARSEAT IN THE BACK ROWS AS WELL. ADDITIONALLY, CHILDREN HAVE A VERY DIFFICULT TIME TRYING TO FASTEN THEIR SEAT BELTS IF THEY ARE IN BOOSTER SEATS. THE BOOSTER SITS RIGHT UP AGAINST THE SEAT BELTS AND MAKE A CLICKING NOISE SO THAT YOU THINK THE BELT HAS BEEN FASTENED BUT THE MAJORITY OF THE TIME IT IS NOT.