30K service basically is just oil and oil filter change, with some checks. Not even any air filter changes.
Maybe some door hinge lubrication, etc. But all very minor.
From VW's website:
Your next scheduled maintenance is at 30000 miles.
Items to be serviced:
Engine Oil - change
Engine Filter - change
Windshield Washer Fluid - check level
Automatic Shift Lock - check operation
Brake System - check damage/leaks, pad thickness, fluid level
Wheels - rotate from front to rear
Air Bag System - check function/damage
Battery - check electrolyte level
Manual Transmission - check for leaks, Check Oil Level
Air Bag System, Visual check every 12 months regardless of mileage -
Brake Fluid, Change every 2 years regardless of mileage. -
$99 tops if you don't need the brake fluid flush or tire rotation.