Q: Will adding this lighting void my Tesla warranty?

An aftermarket light package alone doesn’t void your Tesla warranty. The Magnuson-Moss Warranty Act protects you here: a dealer denying a claim has to trace the fault to a specific UP part rather than point at the lighting in general. Since everything ties into the 48V system cleanly and reverses to stock, you keep your options open. Hold onto factory parts, and reach out if you want the compatibility details before buying.