Movie where car goes off bridge

Hi All. Looking for a movie where a car or van goes off a bridge or dam wall and to avoid being shot, the people in the car release flares in the water so the bad guys shoot the flares. This scene happens at night. After it is safe one person asks the other why he know they would shoot the flares and the answer was something about they would shoot at anything that moved. Sadly that is all I have to go off, does this ring a bell for anyone?