Here’s how to do it yourself in no time works on a few different Jags….
Service Light Reset Instructions:
1 . Insert key into ignition.
2 . Press and hold the Reset switch (located on the Trip Computer Switchpack ).
3 . NOTE: The reset switch has to be released immediately after the ignition is switched ‘ON’. This is critical to enable the rest of the procedure.
Turn the key to Ignition position II and at the point of entering Ignition position II (i.e when a click is heard), instantaneously release the Reset switch.
4 . Wait one second.
5 . Press and hold the Trip switch (located on the end of the left-hand side stalk).
6 . Wait one second.
7 . Press and hold the Reset switch (whilst still holding the Trip switch).
8 . The cluster should display (within three seconds) the warning message ‘RESETTING SERVICE MODE’.
9 . Keep both buttons pressed until the warning message changes to ‘SERVICE MODE RESET’ (after ten seconds).
10 . Once the message is displayed the buttons may be released — sequence is now complete.
11 . If a Service Required message was displayed prior to the reset sequence, cycle the ignition to ‘Off’ and then back to Ignition position II and check that the message is no longer displayed.