How do you find a lost Emergency key access code for a land rover discovery 2?
Usually its in the handbook which comes with the car. Its entered using the ignition key in the drivers door, numbers are entered buy turning it in a direction a given number of times.
The code is kept on file with MG Rover and an MG Rover dealer should be able to access it on the 'DISCUS' computer. They may charge you for this and ask for proof of ownership. There are also websites that will provide you with the code if you give them the serial number from the side of the unit. Have you checked all the handbooks? You are looking for a 4 digit code...
The best way is to have it serviced and they will reset it for you. That light came on because your vehicle isn't running properly and a trouble code got stored in the controll module. A mechanic will hook up his analyser and read the code. This alone will clear the code and the light will go out, but you still have to fix the problem or the light will come back on within minutes.