+1 and I can supply the cable and diagnostics if you find you need to clear faults on the EASYou've got a failed airbag. Best advice is stop using your RR until you fix it, but I suspect your compressor is on the way out too. On the plus you can fix that with an hour or so and a refurb kit.
The springs on the other hand you'll want to replace at minimum the front two but ideally all four as they are only good for 7 to 8 years. 4x Arnott GenII can be had for circa £250. About an afternoon of your time will have you back on the road.