When you drive along Tsuen Wan Road from Texco Road roundabout, you can find the car park in your left side (葵喜街). It is quite cheap around $800. After parking, you can take green minibus route no. 91 or 93 to Tsuen Wan.
2008-04-08 22:51:34 補充:
I find that the most cheaper one along 葵喜街 is $700.