GMC HUMMER EV 2023 Owner's Manual page 75

74 Seats and Restraints
2. For forward-facing child restraints, adjust
the top tether to its full length and
attach it to the anchor. Follow the child
restraint instructions and the vehicle
LATCH anchor weight limits described at
the beginning of this section, and the
following steps:
Rear Driver Side Position
Rear Driver Side Position
2.1. For a top tether in the rear driver
side position:
2.1.1. Remove the driver side head
restraint and center
headrest. See Head
Restraint or Headrest
Removal and Reinstallation
later in this section.
2.1.2. For first time use, remove
and discard the rubber band
from the top tether loop (2).
2.1.3. Route the top tether (3)
through the loop (2).
2.1.4. Attach the top tether (3) to
the driver side of the center
top tether metal anchor (1).
2.1.5. Make sure the child restraint
top tether hook is
completely closed and
secured to the top tether
anchor.