It depends on the climate you live in. Consult the owners manual.
You may use Volkswagon G12 coolant or Prestone Extended Life coolant. If cost is a factor use the latter.
volkswagon bus
The Volkswagon
134a
5w30
yamalube is the best
Jetta. (volkswagon) Jeep. Jaguar.
10W-30
10W30
motor oil
10w30 motor oil