Jeep Grand Cherokee SRT 2017 Owner's Manual page 244

242 SAFETY
Center Seat Position Arm Rest Tether
2. Pull down on the tether to unhook it from the plastic
seat backing.
3. Raise the armrest and attach the tether hook to the strap
located on the front of the arm rest.
Center Seat Position Arm Rest Tether Attached
Always follow the directions of the child restraint manu-
facturer when installing your child restraint. Not all child
restraint systems will be installed as described here.