Autolifethailand (ALT) was able to confirm that BYD will be manufacturing it in RHD which is suited for markets like Thailand, Australia, New Zealand and others countries in the region.

https://thedriven.io/2024/05/28/byd-sea-lio...launch-in-2024/

But it was talking about it when EV version was previewed

That is the only answer I have found

PHEV is always going to cost more that ICE and BEV in Malaysia, coz no tax haven plus the fact that the manufacturing cost is higher with both system in the same bodyshell.