redex

Hi I've had my astra 1.6 semi 2007 for 4 months and there's always been an annoying car with a spanner sign on the dashboard since I bought it. I never new what it was but the car is fine and drives perfect. Only 2 days ago I found out it ment limo mode upon research there are a lot of...

I have a 2015 Vauxhall Mokka, and just recently purchased a bottle of diesel redex - I do it after 12 months with my previous cars so I am continuing with my new one. Is there anything else on the market what does a better job than Redex? from opinions or tested? I don't mind paying a little...