Been trying to locate the rattling sound at left hand rear, try M-performance today in Mayang from 9.30-2.30, basically they remove all the parts that u can think off to check the sound (seats, speaker board, changing absorder, seat belt, etc) but still cannot find the sound. I also give up and ask them to put all back. Very determine mechanic to solve the problem for me, and the young boss did not charge me a single sen on labour cost. (I insist to pay for some labour because of the hardwork and trying their best to solve the problem for half day, but the young boss say its OK, maybe come again to check next time if the sound get louder and clearer). Did not manage to get his name and the fat mechanic who is fixing for me, but THUMB UP for them.