HELP! Just driving home from work when my drivers side seat bolster air bag just went off! I was only going 20mph ish slowing down coming up to red traffic lights and bang! Bit shook up but driven it back to work. air bag light on so put the code reader on it. 01217- side airbag igniter, drivers side-N199 01221- CRASH SENS. SIDE ARBAG DRIV. SIDE-G179 01217- SIDE AIRBAG IGNITER, DRIVERS SIDE-N199 Has anyone had this before or had the codes before? Lucky I wasnt on the motorway or driving fast. Just got away with a bit of a burnt arm.