Interior and Upholstery Air bag safety

Next question, where are the crash sensors and how many are there?
I’m going to replace a cracked head light panel eventually. I do not know why it is cracked,?ot if there might be some radiator support damage I’ve not been able to see. Pulling and tapping on the core support and setting off the airbag would be exciting in a bad way. The last time I pulled one out was on my 91 SHO that had bumped a deer and set off ge air bags before I bought it. For insurability, I let Ford put the take out bags and modules in and check them out after the rest of the work was done.