Below is a list of light bulb types used in 2011- VOLKSWAGEN BEETLE lighting system, covering convertible and hatchback vehicles.
Headlight bulb: low beam - H4 or D8S / high beam - H4 or D8S
Parking light bulb: W21/5W
Fog light bulb: H8 or HB4
Front indicator/turn signal bulb: H21W
Daytime running light bulb: W21/5W
Rear indicator/turn signal bulb: P21W
Tail light bulb: W21/5W
Brake light bulb: W21/5W
Back-up light bulb: W16W
License plate light bulb: W5W
Interior light bulb: W5W
Boot light bulb: C10W
Reading light bulb: W5W
Light bulb sizes for other VOLKSWAGEN BEETLE generations: BEETLE (NEW BEETLE)