See also:

Installing child safety seats with combination lap and shoulderbelts
Check to make sure the child seat is properly secured before each use. Children 12 and under should be properly restrained in a rear seating position whenever possible. If all children cannot be ...

The importance of shoulder belts
Using a booster without a shoulder belt increases the risk of a child’s head hitting a hard surface in a collision. For this reason, you should never use a booster seat with a lap belt only. It is ...

Exceptions
There are several exceptions to the Normal Schedule. They are listed below: Normal vehicle axle maintenance: Rear axles and power take-off (PTO) units with synthetic fluid and light-duty trucks e ...