Chevrolet 2008 Silverado 1500 Pickup Owner's Manual page 53

Crew Cab Shown, Extended Cab Similar
For crew and extended cab models, the top tether
anchors are the loops located near the top of the
seatback for each rear seating position. These loops
will be used to route the top tether through, as well as,
to secure the top tether in the vehicle. Be sure to use
an anchor (loop) located on the same side of the vehicle
as the seating position where the child restraint will be
placed.
Be sure to read the instructions following to properly
install a child restraint using these loops.
Do not secure a child restraint in a position without a
top tether anchor if a national or local law requires that
the top tether be attached, or if the instructions that
come with the child restraint say that the top tether
must be attached.
Accident statistics show that children are safer if they
are restrained in the rear rather than the front seat.
See Where to Put the Restraint on page 1-44 for
additional information.
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