From googling it it seems the seat belt switch is in the bit that the seat belt clips into and it's the drivers side. Have a look through some of these.
http://www.google.co.uk/search?clie...+belt+tension+switch&meta=&btnG=Google+Search
And apparently the oat sensor is on the driver side bumper somewhere.
http://newbeetle.org/forums/technical-modifications/17230-outside-air-temperature-sensor.html
http://www.google.co.uk/search?clie...+belt+tension+switch&meta=&btnG=Google+Search
And apparently the oat sensor is on the driver side bumper somewhere.
http://newbeetle.org/forums/technical-modifications/17230-outside-air-temperature-sensor.html