A belt fitted rear facing car seat. These are designed to be left in the car, so the seat is installed in the car before the child is placed in the seat.

This is a swivel ISOfix all-in-one car seat, the seat does not detach from the base.

An ISOfix base for an i-Size seat. The base is installed in the car first...

... and the seat is clicked into the base.

The pictures on this website show installation methods for the most common types of car seats, and we have used many different ones. But car seats vary and these pictures should not be used as a replacement for the manufacturers' instructions. It is very important that you read the user manual carefully and only install your seat according to its own specific instructions.