For 1990-2009 cars

# INFO ON WHICH MODULE CONTROLS MEMORY MIRROR OPERATION

THIS IS A MONTHLY SERVICE NEWSLETTER ARTICLE. THIS BULLETIN IS NOT INTENDED FOR PUBLICATION.

#### SUBJECT: INFORMATION ON WHICH MODULE CONTROLS MEMORY MIRROR OPERATION

#### MODELS: 1997-98 BUICK PARK AVENUE AND ULTRA 1995-98 BUICK RIVIERA

THERE HAS BEEN SOME CONFUSION REGARDING WHICH MODULE CONTROLS MEMORY MIRROR OPERATION ON THE SUBJECT VEHICLES.

ON RIVIERA, THE OPERATION OF THE MEMORY MIRRORS IS CONTROLLED BY THE MEMORY SEAT MODULE.

ON PARK AVENUE / ULTRA, THE OPERATION OF THE MEMORY MIRRORS IS CONTROLLED BY THE DRIVER DOOR MODULE (DDM). ON THIS CAR LINE, DO NOT REPLACE THE MEMORY SEAT MODULE WHEN ATTEMPTING TO ADDRESS MEMORY MIRROR OPERATION PROBLEMS.

FIGURES: 00 ATTACHMENTS: 00

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.

COPYRIGHT 1998 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.