or the safety belts! 
With safety belts, you  slow  down as the vehicle does. 
You get more time to stop. You  stop  over more distance, 
and your strongest bones take the forces. That’s why 
safety belts make  such  good  sense. 
A: 
Air  bags  are in many vehicles today  and  will 
be in most of  them  in the future. But they  are 
supplemental systems only; 
so they  work  with 
safety belts 
- 
not 
instead 
of 
them. Every  air  bag 
system  ever  offered for  sale  has  required  the  use 
of  safety belts. Even 
if 
you’re in a  vehicle  that 
has air bags,  you  still have  to  buckle  up  to  get  the 
most protection. That’s true not 
only 
in frontal 
collisions, but especially in side  and  other  collisions. 
1-26