Buckling the belt

Make sure you hear the latch plate engage in the belt buckle.
See also:
Vehicle Overview
Redesigned for 2011, the sixth-generation 5 Series offers a longer wheelbase,
better fuel efficiency and more conventional styling than its predecessor.
Available in 528i, 535i and 550i trims, the ...
Installing child restraint fixingsystems
Before mounting
Before mounting child restraint fixing systems,
ensure that the rear seat backrests are locked.
Notes
Manufacturer's information for child restraint
fixing systems
To select, mo ...
BMW X6: rear seats
The head restraints in the rear cannot be adjusted
and cannot be removed. ...
