Is it possible to restore the lettering and icons on the buttons in the car?

Yes – this is the core of what laser button restoration does, and it works whether one button has worn lettering or the icon has faded to nothing. The process: the button is dismantled, the surface is cleaned and prepared, a new durable coating is applied, and the symbols or inscriptions are laser-engraved back in at the original depth and proportions – not repainted by hand, which is why the result holds up rather than fading again within a year or two. We compare against the original design (from the part itself, a matching model, or reference photos you provide) before engraving, so the finished symbol matches what left the factory rather than an approximation. The button regains full functionality and legibility, and the finish is built to handle years of normal use, not just look good on delivery.