I thought I'd add my experiences! Last week, I wanted to go and pick up a friend to discover that my clio wouldn't start. We only have one key, which would unlock the car but wouldn't switch off the immobiliser. On putting the key in the ignition the immobiliser light on the dashboard would flash wildly and although the engine would turn over, it wouldn't spark. Cue panic as I've had so many problems with this car!!!
I trawled the internet and came across this feed and tried a few options here - holding down the central locking button, accelerator pedal etc. but no luck. I looked at the remote keys company, but over-riding the immobiliser in such a fashion would compromise my insurance so I didn't want to do that even though it seemed like a great solution.
I phoned my local garage and they said to change the battery in the remote as perhaps there wasn't enough power to power an infrared signal, which we did (within the 10 minute allowance to prevent loss of the code) but to no avail. I next phoned our local kwik fit to see if they had anyone who could deal with immobiliser problems. They did, and he diagnosed the issue over the phone: it was a problem with the key transponder, one that happens quite regularly due to the poor design of the key. He suggested that I find an auto locksmith who should be able to help and re-solder some of the parts. It was a friday evening at about 6pm so I called my renault dealer on the off-chance that they'd (somehow!) be able to make me a new key, even if it was going to be £140, but the response was that the car would have to go in for a diagnostic (£29.99 for the first half hour) plus key, plus the car would have to be recovered. No way!!
So we waited over the weekend and then yesterday morning phoned lots of local locksmiths (we live in Birmingham) for quotes. I have to say that they were all very helpful and reassuring: yes, they'd come across the problem before, yes it was very common, yes it was almost certainly the key, yes they'd be able to fix it etc. Most were mobile, which would have been the most convenient option but, naturally, the most expensive. Quotes came in around the £120 mark for a diagnostic (to check the ignition coil etc) and two new keys. However, we found one company, Duplicut, in Sutton Coldfield, http://www.duplicut.co.uk/ who said that if I could get the key to them, they should be able to take the data from the current chip, put it on a new one, put this into my current key and thus solve the problem. I got there yesterday afternoon and waited just 10 minutes for them to do this, came home and the problem was solved!!! They had replaced the chip with a carbon one so he said I would never have the problem again. What a result! :-)
Elizabeth, May 2011