Chevrolet 2006 Avalanche, Owner'S Manual

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All-Weather Cargo Area
Your vehicle can be driven with the cargo panels on or
off, the midgate up or down, or with the rear glass in
or out. The vehicle has features to help resist the
elements and protect cargo inside the cargo area. Parts
of the water management system, which is designed
to quickly direct water out of the cargo box, include the
top drain grates, side rail channels, catch cups,
midgate drain, cargo area floor drains and the rubber
cargo mat.
Even when the water management system is working
properly and the vehicle’s cargo cover system is
on, water could still accumulate in areas of the vehicle
during heavy rains and after going through an
automated car wash.
The areas where water could collect are:
A. Top drain grates
B. Removable
front drain grate
(Midgate drain gate)
C. Side rail channels
and catch cups
D. Front drains
E. Water drainage area
around both sides of
the box and the
tailgate side
F. Rear drains
G. Cargo floor
H. Cargo mat
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