3x seatbelt straps. 1 in the front, and on both sides. Sides are made for multiple configurations depending on your seatbelt lenght. Dont use any of these kind of seats unless you absolutely have to because of the baby spine alignment. If you have to drive longer than +30mins or with high speeds with your baby buy a professional made baby seat
How do you install the car seat in the car?
3x seatbelt straps. 1 in the front, and on both sides. Sides are made for multiple configurations depending on your seatbelt lenght. Dont use any of these kind of seats unless you absolutely have to because of the baby spine alignment. If you have to drive longer than +30mins or with high speeds with your baby buy a professional made baby seat