you can buy any car wash shampoo DIY carwash..
1st use water spray whole car to wash out all big dust or big particular
2nd wash from roof..all window.. bonnet rear boot..
3rd wash half top door panel fender rear boot number plat
4th wash half under door panel bumper..
5th wash sidebumper..side underbumper..
last is wheel
wash door panel in one way..top to bottom..dont left right left right it will make bulat bulat scratch appear under hotsun..
dont wash one panel till bottom and switch to top..it will bring the tar.big dust to top and make scratch
never wash underhot sun..which dried up more faster than you wipe and left many water marks
Thanks. Seem like i have to wait till my meguire order from lazada reach baru wash. Haha