Just had oil changed in 1986 VW cabriolet. They used 5w30 and after driving about 20 miles the battery and oxs light came on and will not go off. Why would this be? No manual. Is 5w30 wrong oil?
Possibly different issue. I would check battery connection and output voltage of the alternator. It should be around 14.5 volts
Search Volkswagen Cabriolet Questions
Volkswagen Cabriolet Experts
Related Models For Sale
Used Volkswagen Jetta"
668 Great Deals out of 32,709 listings starting at $1,200
Used Volkswagen Vanagon"
36 listings starting at $10,970
Used Volkswagen Golf"
37 Great Deals out of 2,698 listings starting at $2,250
Used Ford Mustang"
728 Great Deals out of 41,499 listings starting at $900
Used Volkswagen Scirocco"
Used Toyota Pickup"
128 listings starting at $2,999