Q: What are the Three Methods Used to Retain Wiper Blades to Wiper Arms for Buick Century,Regal?
A: To remove wiper blades, press down on blade and release spring for the first type blade, depress the press-type release lever and slide off the wiper arm pin for the second type blade, and insert a screwdriver under spring and push downward on screwdriver to raise spring for the third type blade. To install blades to the arm, insert blade over pin at top of arm and press until spring retainer engages groove in pin.