WAS DRIVING 40MPH WHEN SMALL TRUCK IN FRONT STOPPED. NO REAR LIGHTS WERE SHOWING WHILE DRIVING. APPLIED BRAKES TO SLOW DOWN. AFTER NOTICING THE RED TAIL LIGHTS, REARENDED SMALL TRUCK. UPON IMPACT, NEITHER AIR BAGS DEPLOYED. DRIVER WAS INJURED. VEHICLE IS REPAIRABLE ACCORDING TO DEALERSHIP. *AK