you should only make a left turn when the light is green. 7 b( t0 S5 L7 q: P2 J7 T; w3 P" [/ jBut if you are already in the middle of intersection or road, you have to make a left turn if safe while the light turns yellow or red . 0 G, x* j: C4 B: g$ H' \& yhope it helps.