The Fire Department does not perform carseat checks, but the California Highway Patrol's Station in El Cajon does. Car seat checks are by appointment only on Tuesday each week. Please call at least one week in advance to ensure scheduling availability.
You can contact them with the information below.
1722 East Main El Cajon, CA 92021
This Pacific Safety Center website (carseat.psc411.com) will provide further information about the correct install of carseats.