Britax UNITY Instructions For Installation And Use Manual page 22

HOW TO INSTALL
Always leave a
rearward slope angle of
approximately 10° to 15°
10° to 15°
ROAD
MANUAL PACKING
The angle may also be altered by placing a firm packing between the seat and the
underside of the base (packing can be a firmly rolled up towel or nappy)
For some vehicles with flat seats some packaging may be required at the front edge
of the base to get some recline. The stabilising bar does not need to touch the car's
seat back but should be close.
Always leave a rearward slope angle of approximately 10° to 15°
Packing
10° to 15°
ROAD
22