This is a test of commonsense. Complete the next sentence:

How to install a booster seat
Shop around and review different booster seat types.
There are several varieties of booster seats to choose from. They vary in design, material, and price.
Choose one that fits your vehicle, suits your child, and meets your current and future needs. Backless booster seats do not have a back (as the name suggests), but rest on your vehicle's rear seat.