As in title, washed car on weekend to get all the winter crud out under arches with a pressure washer (not engine bay) and the warning light came on when i restarted the car any ideas? it still runs OK. Will it need re-setting or will it self check and reset. Wont be doing this again, its an 07 vrs.

As in title, washed car on weekend to get all the winter crud out under arches with a pressure washer (not engine bay) and the warning light came on when i restarted the car any ideas? it still runs OK. Will it need re-setting or will it self check and reset. Wont be doing this again, its an 07 vrs.

Put it on vagcom and scan it.