02 sensor 16v

[alves at email.unc.edu (Carlos Alves)]

hey, i have a question

i nee dto change out the 02 sensor in my 16v scirocco. is it underneath 
the
car on the catalytic converter? am i going to have to get underneath 
the car
to replace it? or is it accessible from the engine bay???

please rsepond, i need to finish this job tonight

thanks