so as title says being on time .saturday morning chap has a mot booked for 8am no show at 815 no problem other stuff to do then at 8.43 turns up wants mot doing so i say sure will do will have to juggle other bookings [get extra tester to do a test ] as customer hands keys over i ask any thing i should know with regards to starting vehicle [fiat ducato motorhome ] reply is no then adds that the airbag light is displayed .tell him its a fail should i proceed with test . customer says just delete it its no big problem .i reply its a cost to diagnose fault with a strong chance of further work reqd he says no .so we agree to disagree he goes away having wasted my time and causing me to question my actions thinking should of kept my mouth shut and just done mot with the outcome a sure fail .