It might be one of your ecu`s or sensors on the engine/gearbox. If the light comes on your ecu will switch to limp mode. As its automatic this is also linked to your autobox ecu as its a closed loop system so basically it drives but will stay in 3rd gear and you may also notice a drop in power. The only thing to do is take it to Renault and have your ecu plugged in for a diagnostics check. They will tell you which ecu/sensor is at fault. When its replaced they will reset your ecu/lights ect and everything should be fine.
Mark
March 2007
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