Ian Johnston ( snipped-for-privacy@btinternet.com) gurgled happily, sounding much like they were saying :
AIUI the problem is more that the gas-generation systems get a bit feeble, so the problem is more likely to be one of hitting something and - instead of a bloody great big explosion deafening you and filling your eyes with the lenses of your glasses - you get surrounded by a big soft billowy fluffy pillow. And headbutt the sharp edges of the steering wheel boss.