GMC 2003 Yukon Denali User Manual page 33

A few crashes are mild, and some crashes can be
so
Why Safety Belts Work
serious that even buckled up, a person wouldn't survive.
But most crashes are in between. In many of them,
When you ride in or on anything, you go as fast
people who buckle up can survive and sometimes walk as it goes-
away. Without belts they could have been badly hurt
or killed.
After more than 30 years of safety belts in vehicles, the
facts are clear. In most crashes buckling up does
matter
...
a lot!
Take the simplest vehicle. Suppose it's just a seat on
wheels.
1-26