When should an air bag go off?

[sandrajo]

Do you have to be going at a certain speed for an air bag to go off in your car or does it go by what speed you were going when you crashed?

[blackcat77]

Oh good grief! <object width="425" height="355"><param name="movie" value="https://www.youtube.com/v/6bBVJAFrN0U&hl=en"> ;</param><param name="wmode" value="transparent"></param><embed src="https://www.youtube.com/v/6bBVJAFrN0U&hl=en" type="application/x-shockwave-flash" wmode="transparent" width="425" height="355"></embed></object>

[vivandorron]

I can't understand blackcat77 the purpose of your clickable link. Perhaps I am too old to appreciate modern-day humour; especially as it seems irrevelent to the original question.