1999 Pontiac Grand Prix Owner's Manual - Page 298

yellowblue Windshield Wiper Blade Replacement Windshield wiper blades should be inspected as least twice a year for wear or cracking. See "Wiper Blade Check" in Section 7 of this manual under Part B "Owner Checks and Services" for more information. Replacement blades come in different types and are removed in different ways. For the proper type and length, see "Normal Maintenance and Replacement Parts" in the Index. Here's how to remove the wiper blade: 7. Remove the bulb. 8. Place the new bulb into the socket. 9. Turn the lamp socket a quarter of a turn clockwise to replace it. 10. Carefully replace the taillamp assembly. Be careful to avoid scratching or chipping the vehicle paint. 11. Reverse Steps 1 through 4. 12. Close the rear compartment. 6-42