Only use high mileage if you have an oil leak. The high milage oils have additives that make the seals swell up to prevent leaking. Recommend you stick with the regular ultra plat.

Can you post a video?

Probably a toyota rav 4 or a toyota sienna.

Softwares is basically a cracked version.

Don’t you have to register batteries on a vw?

Drain and fill.

High pressure fuel pump or low pressure?

Alignment.