how do you change the windshield washer fluid pump? on 2006 Pontiac Vibe

could it be plugged or how do you test to see if is working

3 answers
check for power to the pump while someone activates it, if there is power, you may need a pump.
just twist and pull it off the reservior.
PULL TANK ASSM THEN PUMP TWIST AND LOCKS IN AND OUT