Sorry I don't remember where I saw the DIY.. in of the honda city forum I think. This fella take down the back seat and put some rubber thing on the plastic thing or something. Haha.
Front no sound? I got sound on the centre console (the player). Really no idea how to fix that.
Welcome to the club 

Why didn't opt for the VA? Finish already eh. 2.35% from RHB loan?
I'm planning to, someday. Saving up for insurance/roadtax renewal in August now.. huhu.

Hmm not sure if other shop got but you can DIY if you want, why you don't want to go to HT Auto? I saw their workmanship is not bad since they've been doing it on several City already.