Insignia G09 - cabin heater system

[FenrirXIII]

Hi all! Please help with following: when I`m setting air system to AUTO - no matter what temperature is set - it blows with cold AIR.

As well, when AC is Off, I have to set warm temperature to 23 and above to get warm air but then it becomes really hot.

So, the question is - how to make that temperature regulator actually work? I.e. what to check / clean / replace? I`ve tried looking from the side of glove box - it`s a mess of everything, so a bit of schematics or advice highly appreciated.

Thank you in advance

[Vauxhall Owners Club]

If you can find the interior cabin temperature sensor (usually on the dash area) then this may be blocked with dust, etc

Try to locate it and clean around it to ensure it is correctly reading the cars interior temperature