Jeep 2014 Grand Cherokee Owner's Manual page 100

THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 99
LATCH-compatible child restraint systems will be
equipped with a rigid bar or a flexible strap on each side.
Each will have a hook or connector to attach to the lower
anchorage and a way to tighten the connection to the
2
anchorage. Forward-facing child restraints and some
rear-facing infant restraints will also be equipped with a
tether strap. The tether strap will have a hook at the end
to attach to the top tether anchorage and a way to tighten
the strap after it is attached to the anchorage.
Pulling Down The Carpet Floor Panel To Access Top
Tether Strap