Yeah change the bulb, it happen to me before and since I replaced it, it has never gave me a problem ever since and this was like almost 1 year ago.
_________________________
Exterior- stock painted black wheels, clear corners, stainless steel grill, cross and drilled front and rear rotors with evolution brake pads.
Coming soon- 18 inch black mustang bullet rims, GT/GTP rear bumper, tinted windows.