WaAlaikumSalam janab. Alhamdulillah i am fine.
0w20, fully synthetic.
Kendall, LiquiMoly, Meguin, Mobil1, Valvoline, Totachi.
Any one u can find.
OEM recommended are 0w20, 5w20, 5w30,
But most advisable is 0w20 for vitz 2015 1krfe.
Keep check on following ratings while u purchase.
API SN or SN+ / RC (Resource Conserving) , ILSAC GF-5, minimum.
This new 1krfe has many things changed and updated from previous 1krfe.