See also:

Child booster seats
The belt-positioning booster (booster seat) is used to improve the fit of the vehicle safety belt. Children outgrow a typical child seat (e.g., convertible or toddler seat) when they weigh about 4 ...

Child restraint and safety belt maintenance
Inspect the vehicle safety belts and child safety seat systems periodically to make sure they work properly and are not damaged. Inspect the vehicle and child seat safety belts to make sure there ...

D (Drive) with Overdrive
The normal driving position for the best fuel economy. Transmission operates in gears one through six. ...