GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Set the outside remote control rearview mirror select switch to the left mirror position.
  2. With the outside remote control rearview mirror switch press the UP and then the DOWN buttons.

The left outside rearview mirror moves smoothly upward and then downward.

2

  1. Leave the outside remote control rearview mirror select switch in the left position.
  2. With the outside remote control rearview mirror switch press the LEFT and then the RIGHT buttons.

The left outside rearview mirror moves smoothly to the left and then to the right.

3

  1. Set the outside remote control rearview mirror select switch to the right mirror.
  2. With the outside remote control rearview mirror switch press the UP and then the DOWN buttons.

The right outside rearview mirror moves smoothly upward and downward.

4

  1. Leave the outside remote control rearview mirror select switch to the right mirror.
  2. With the outside remote control rearview mirror switch press the LEFT and then the RIGHT buttons.

The right outside rearview mirror moves smoothly to the left and the right.

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