Toyota 2011 Tundra Owner's Manual page 179

1-7. Safety information
Installation with LATCH system (Double Cab models)
Type A
Canada only
154
Widen the gap between
the seat cushion and
seatback slightly.
Latch the hooks of the
lower straps onto the
LATCH
tighten the lower straps.
If the child restraint has a
top tether strap, the top
tether strap should be
latched
tether strap anchor.
(→P. 162)
For owners in Canada:
The symbol on a child restraint
system indicates the presence of
a lower connector system.
anchors and
onto the top