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The puddle lights light up when you get close? Mine don't do that. Only if I use the key fob to unlike do they light up.
I agree with EyeKutr, not a good idea to use as signals.
make sure in the inside overhead you have it on "door" and not on the ff: position so when you open your door the lights will come on. that is how the puddle lights and the inside of the car will light up when you get near it "at night"