GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Park Avenue 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Outside Mirrors System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

1
  1. Set the mirror switch to left.
  2. Briefly press each of the following mirror switches:
    3. • LEFT
    • RIGHT
    • UP
    • DOWN

The left outside power mirror moves in the selected direction.

Power Mirrors Inoperative

2
  1. Set the mirror switch to right.
  2. Briefly press each of the following mirror switches:
    3. • LEFT
    • RIGHT
    • UP
    • DOWN

The right outside power mirror moves in the selected direction.

Power Mirrors Inoperative

3

Momentarily press the DRIVER-1 switch.

The following components move to the DRIVER-1 programmed settings:

    • The seat
    • Both of the outside power mirrors

Power Mirrors - Memory Functions Inoperative

4

Momentarily press the DRIVER-2 switch.

The following components move to the DRIVER-2 programmed settings:

    • The seat
    • Both of the outside power mirrors

Power Mirrors - Memory Functions Inoperative

5
  1. Set the ignition switch to RUN.
  2. Set the shift select to REVERSE.

The right outside power mirror tilts down 7 degrees or to the end of the travel.

Parallel Park Mode Inoperative

6

During suitable environmental conditions, complete the following steps:

  1. Turn on the rear defogger.
  2. Wait approximately 10 minutes in order to see if the mirrors clear of frost or mist.

The mirrors heat up and clear of mist or frost.

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.