How to Install a Car Seat Without a Base

By Kristina Copeland
Jessica Brummett/Demand Media

Although it is optimal to use a car seat base with a car seat, there may be times when this is not possible, such as while traveling. You may need to install your car seat in a taxi cab, a friend or grandparent's vehicle or even on an airplane. It should be noted that there are some car seats that cannot be installed without a base -- check your owner's manual to be sure.

Step 1

Jessica Brummett/Demand Media

Position the car seat on the back seat facing the rear. Infant car seats must always face rear -- never forward or even sideways.

Step 2

Jessica Brummett/Demand Media

Route the lap belt portion of the seat belt under the belt guides and buckle it.

Step 3

Jessica Brummett/Demand Media

Make sure that the level line on the car seat, if there is one, is level with the ground. Place a rolled towel underneath the front part of the car seat if needed to keep the seat stable and secure.

Step 4

Jessica Brummett/Demand Media

Tighten the belt as much as possible by pulling on the shoulder section until it locks.

Step 5

Jessica Brummett/Demand Media

Push the car seat into vehicle seat and seat back with your arms and tighten the seat belt even further.

Step 6

Jessica Brummett/Demand Media

Make sure the belt locks into position each time you tighten it. If it does not lock, you may need to purchase a locking clip.

Step 7

Jessica Brummett/Demand Media

Double check what you have done. Make sure the seat belt is tight and locked, the car seat is stable and cannot be rocked more than one inch back and forth or side to side. If there is a line on the car seat to indicate level, make sure that it is level with the ground.

About the Author

Kristina Copeland has been working as a freelance writer since 1999, as well as having held full-time positions as a writer and editor for various companies. She is passionate about her family, reading and writing, and spending time at the outdoors, especially the beach. She holds a Bachelor of Arts degree in English and a Master of Science degree in information studies and library science.