Is it true that all used 2019 Changan Yuexiang automatic models are from Liandongyun? How can you tell if the catalytic converter has been tampered with?

The 2015 Changan Yuexiang is all rusted, the sheet metal is really poor.

Can the 2019 Changan Yuexiang use Mobil 1 5W-40 engine oil?

How often should the battery of a 2019 Changan Yuexiang manual transmission be replaced?

Is it true that all used 2019 Changan Yuexiang automatic models are from Liandongyun? How can you tell if the catalytic converter has been tampered with?

I want to ask if the 2019 Changan Yuexiang comes with chassis armor, as I scraped the chassis yesterday.

Does the 2019 Changan Yuexiang come with chassis armor?

Does anyone know how the 2012 Changan Yuexiang automatic model works?

Is there a window regulator available for the 2019 Changan Yuexiang?

Can the 2019 Changan Yuexiang Manual Comfort model use a USB flash drive?

How often should the fuel filter of a 2019 Changan Yuexiang be replaced? Looking for advice online.