Attaching Top Tether
If the child restraint system is equipped with a Top Tether belt:
The risk of injury can be reduced by Top Tether. The Top Tether belt allows an additional connection between the child restraint system attached with ISOFIX and the vehicle.
Fit the ISOFIX child restraint system with Top Tether. Be sure to comply with the installation instructions from the manufacturer of the child restraint system when doing so.
Guide Top Tether belt 
backwards as centrally as possible over the head restraint, through loop 
and into the load compartment.
backwards as centrally as possible over the head restraint, through loop and into the load compartment. Attach Top Tether hook 
to Top Tether anchorage 
.
to Top Tether anchorage . If necessary, lift the carpet slightly.
Ensure that:
Top Tether hook
is attached to Top Tether anchorage as shown. Top Tether belt
is not twisted.
Tension Top Tether belt . Be sure to comply with the installation instructions from the manufacturer of the child restraint system when doing so.
. Be sure to comply with the installation instructions from the manufacturer of the child restraint system when doing so.