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I did thanks - and not quite sure how I did it. I think it was the following.... I opened the car with the working key. I put the broken key in the ignition, pressed the unlock button and turned the key on. Then took the key out and pressed the lock button and the car locked. All is fine now.

looks like ebay next try

Hi its probably a built in function as most oils only give maximum protection when at optimum temp, some of the new Bentlys, Alfa Romeos and Feraris have stickers in the car telling you to warm the engine at idle for at least ten mins before driving, I would get that drive system light checked its yellow so not urgent but the gearbox has nothing to do with the engine temp, in saying that the oldest saying in the car world is NEVER REV A COLD ENGINE, thats because of the damage it causes to internal revolving surfaces which have yet to heat up to operating tollerences, cold oil at high rpm is as bad as no oil only in reverse, I found that out a few years ago in the eighties when at massive cost I built a go faster Mini engine, billet steel crank lightened con rods, super Hepolite pistons the works, my only downfall was jacking the oil pressure relief valve so it ran at 95psi when warm, two months later I had big end knock where the oil cold ran at over 100psi and had washed the coating off of the end shells, moral of the story most cars are quite happy with oil pressure of around 40psi as long as the oil temp is at optimum. Steve.