Chevrolet 2007 Silverado 1500 Pickup Owner's Manual page 66

Regular Cab Models
1. If the child restraint manufacturer recommends
that the top tether be attached, attach and
tighten the top tether to the top tether anchor,
if your vehicle has one. Refer to the child
restraint instructions and the following steps:
1.1. Pull the passenger seatback forward
by pulling the recliner handle upward to
access the top tether anchor. See
Reclining Seatbacks on page 15 for
additional information.
1.2. Find the top tether anchor.
1.3. Remove the trim cover to expose the
anchor.
1.4. Route, attach, and tighten the top tether
according to your child restraint
instructions and the following
instructions:
66
If the position you are
using does not have a
head restraint and
you are using a single
tether, route the
tether over the
seatback.
If the position you are
using does not have a
head restraint and
you are using a dual
tether, route the
tether over the
seatback.