The styles of infant car seats can vary widely. Whatever style of seat you choose, be aware that all of them come with manuals, in most cases stored somewhere on the seat itself. After you refer to the manual, always put it back where you got it so you can find it the next time you need it. Also, check your car's owner's manual for specifications on installing a car seat.

In the back seat, between the seat and the seat back, you'll find two metal anchors to which the seat snaps securely. The latch portion of the system involves a strap that securely fastens to the base of the seat to keep the infant seat from wiggling.

Having said that, these are the basic steps for installing the base of an infant seat:

- Attach the latch to the anchor, then tighten the seat belt to remove all the slack (it helps to kneel on the seat when you tighten the belt).

- On a rear-facing infant carrier, you won't use the tether straps. On a toddler seat, however,
... read the whole article