If using the
vehicle safety seat belt, either use the locking mechanism built in the seat belt or a built - it lock - off on the child safety seat.
If you prefer not to use a crate, get a
pet safety seat belt and attach it to a harness on your dog.
If the vehicle
safety seat belt does not have a locking mechanism or a built - in lock - off on the child safety seat, the child safety seat should provide a locking clip.
This is acts as the stroller's
safety seat belt.
As your child grows, you remove the harness and use your vehicle's
safety seat belt.
Use a booster seat with the vehicle lap AND shoulder safety belts until your child passes
the safety seat belt test.