HOW DO I CHANGE ANTIFREEZE IN MY RADIATOR? on 1997 Chevrolet Malibu

The warning light on the dashboard has come on whenever the car has sat in traffic for a while

2 answers
Which warning light is coming on? If the temperature light is coming on, make sure the coolant level is full. If the system is low chances are you have a leak which should be repaired before changing the antifreeze.
hoooow d i chang the fluid?