Abstract: U-turn signaling device for vehicles is disclosed, which includes an LED array, and an integrated circuit control circuit which is produces LED activation control signals. These control signals activate the LED array to produce at least three modes of activity including a tail light mode, a turn mode and a U-turn mode in response to activation signals from the tail light, turn signal and U-turn signal respectively. The LED array can be a portable LED array, an embedded LED array or a double-sided LED array. The LED array is a preferably a combo LED array and further includes a monitor screen, which may be mounted in the dashboard of the vehicle, and may include a multi-position turn signal switch. Also disclosed is a flexible U-turn signal device, which may be activated by a wireless remote control switch.