ur aprilia got side mirrors anot? if got flash arhx, u cfm can
feel it one loh, can say its machiam like thunder
if u wanna chiong red light hor, u muz 1st see the
side got camera anot, den u decide whether to chiong the amber or
wad loh. best is close throttle 1st before any traffic junction
unless ur damn familiar wif the area there.