GMC 2007 Envoy Denali Owner's Manual page 21

CAUTION:
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It is extremely dangerous to ride in a
cargo area, inside or outside of a vehicle.
In a collision, people riding in these areas
are more likely to be seriously injured or
killed. Do not allow people to ride in any
area of your vehicle that is not equipped
with seats and safety belts. Be sure
everyone in your vehicle is in a seat and
using a safety belt properly.
Your vehicle has indicators to remind you and
your passengers to buckle your safety belts.
See Safety Belt Reminder Light on page 200
and Passenger Safety Belt Reminder Light
on page 200.
In most states and in all Canadian provinces,
the law says to wear safety belts. Here is
why: They work.
You never know if you will be in a crash. If you
do have a crash, you do not know if it will be
a bad one.
A few crashes are mild, and some crashes can
be so serious that even buckled up, a person
would not survive. But most crashes are in
between. In many of them, people who buckle up
can survive and sometimes walk away. Without
belts they could have been badly hurt or killed.
After more than 40 years of safety belts in
vehicles, the facts are clear. In most crashes
buckling up does matter... a lot!
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