my car works perfectly except for one weird issue: When my headlights are on, my 3rd brake light stays on when the brake pedal is not depressed and weirder than that is that the car won’t turn off if 1) I have the headlights on AND 2) I have the brake depresses. If both of these occur, I can remove the key from the ignition and the car stays running until I 1) turn off the lights OR 2) take my foot off the brake. If my lights aren’t on, all systems(lights, ignition) function normally. I’m stumped on this one and couldn’t find a similar issue in the search; any thoughts from the experts??

thanks in advance,
max