I have a 2004 Clio Classic Tribox 1.4 16v automatic. The auto gearbox warning sign has been coming on. It seems to come on after about the first 15min of driving after an overnight or long period of the car not having been used. It remains on until the engine is switched off and does not usually come on again during subsequent use of the car until after the next long period of not being used. I have taken it to the dealer who could find no problems with the gearbox. They flushed the system and changed the oil. The warning sign continues to come on. Does anyone have any ideas about what might be causing this? Thanks.