Hi.
I suggest to put in the game a crash-test mode to test the cars (changes with the years) and put in the security options the airbags (in '70, in development, mid-80 and 90 in option, and the 2000+ in option).
Hi.
I suggest you use the search function in the right top or read the FAQ before suggesting or asking questions. Many of topic have already been covered numerous of times.
About crash tests:
viewtopic.php?f=14&t=3790&p=30218&hilit=crash+test#p30218
viewtopic.php?f=15&t=3268&p=26099&hilit=crash+test#p26099
About interiors and safety related things:
viewtopic.php?f=15&t=3640&hilit=auto+wipers