The Mazda MX-5 bonnet system: https://owners-manual.mazda.com/gen/en/mx-5/mx-5_8fl9ee16j/contents/03060100.html https://owners-manual.mazda.com/gen/en/mx-5/mx-

The Mazda MX-5 bonnet system: https://owners-manual.mazda.com/gen/en/mx-5/mx-5_8fl9ee16j/contents/03060100.html https://owners-manual.mazda.com/gen/en/mx-5/mx-5_8fl9ee16j/c... They wanted to keep the profile of the car low which didn't allow for the space normally needed, so they provide it 'on demand' in case of impact. Unfortunately for a friend of mine who is an owner, that turned a fairly minor collision with an object into a several thousand pound repair as the system shears the bonnet mounts and deforms the bonnet.