A/C is not blowing as cold as it used too? on 2002 Honda Civic

My car takes R134a and i was wondering will buying that from Autozone, etc do the trick?

by in Garland, TX on June 01, 2013
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1 answer 1 comment
ANSWER by , June 02, 2013
If the ac is working properly then you just need a top up but I would have it leak tested first
COMMENT by , June 02, 2013
And what did you mean by top up. I dont know much about car A/C systems. Is this something i can do myself?