Juststick your reg in eurocarparts and grab what they recommend, usually anything rated 504 or 507. Weight doesn't matter in this country, but you need oil NOW if the light is on. 1998 (S47) Vauxhall Corsa Breeze 1.4 (2013-2015 RIP/Scrapped) 2006 (AV06) Audi A3 SE 2.0 TDI (2015-2016 Still alive, probably)
Forproper fluid level and filling information, see the Repair Manual and/or Maintenance Manual in ElsaWeb. * Oil and fluid part numbers are for reference only. Always check with your Parts Department for the latest part information. **Audi Oil Specification: VW 502 00. Use synthetic oil SAE 5W-40, 5W-30 or 0W-40.iaU6.