francav said:
this is good to know, is this same for astra sri 2.2 z22se 2001, thanks matt :thumbup:
It's different on the MK4
Press and hold the button below the speedometer
Switch ignition ON
The letter ‘INSP’ will appear in the display for 2 seconds
Keep the Reset button held until ‘---‘appears in the display
Release button
Switch ignition off