the buttron to change the trip/total milage, with the ignition on hold it in for a few seconds, switch th ignition off but still holding the button, put th ignition back onand wait like 1 second then let go of th button, press it and it will cycle through some numbers, stop when ig gets to 7, it will then say 0 turn th engine on and hey presto digital rev guage, also the petrol guage becomes super sensitive, it litterally mooves to the petrol swishing around in the tank lmao
someone on here already found out about it and posted a while ago, since thne ive been trippin all my mates out with my digi rev guage
