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Home >> Buick >> 1998 >> Riviera >> Repair and Diagnosis >> Body & Frame >> Mirrors >> Memory System >> Trouble Shooting >> Power Mirror Memory System Check

Power Mirror Memory System Check

NOTE: Perform this check before diagnosing symptoms.
  1. Using mirror select switch, select left mirror. Briefly press outside mirror switch to left, right, up and down positions. Using mirror select switch, select right mirror. Briefly press outside mirror switch to left, right, up and down positions. Each mirror should move into each selected position. If each mirror operates as specified, go to next step. If each mirror does not operate as specified, go to one of the following tests under SYSTEM TESTS  :
  2. Momentarily press DRIVER-1 switch. Both seat and mirrors should move to programmed positions for DRIVER-1 and a single chime should be heard. Momentarily press DRIVER-2 switch. Both seat and mirrors should move to programmed positions for DRIVER-2 and a single chime should be heard. If seat and mirrors operate as specified, go to next step. If seat and mirrors do not operate as specified, go to one of the following tests under SYSTEM TESTS:
  3. Turn ignition switch to RUN position. Apply parking brake. Put gearshift lever in Reverse. Right outside mirror should move down 5 degrees or to the end of travel. If mirror operates as specified, system is okay. If mirror does not operate as specified, go to PARALLEL PARKING ASSIST MODE INOPERATIVE  under SYSTEM TESTS.