Daddy Dave

Advice please .. I noticed driving home only 1 side of my heater controls were lit up .. how easy to fix please..

Brill thanks I'll go and try it when I go out ..

Hello people .. newby here .. just bought myself a play toy .. 55 plate vts 75k miles full service history.. absolute fun toy .. only problem I have a knocking ( not engine ) noise from Front.. got told/advised by neighbours son ( who wants to buy it already) probably a link .. which I've changed .. but knocking noise still there.. checked springs seem ok .. before I book it in to get diagnosed any one know of any common faults ... thanks