GM Service Manual Online
For 1990-2009 cars only

Outside Mirrors System Check Power Mirrors

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Place the mirror select switch in the LH position.
  2. Operate the mirror in each of the following:
  3. 2.1. LEFT.
    2.2. RIGHT.
    2.3. UP.
    2.4. DOWN.

The LH mirror moves in all directions in relation to the switch position.

2

  1. Place the mirror select switch in the RH position.
  2. Operate the mirror in each of the following:
  3. 2.1. LEFT.
    2.2. RIGHT.
    2.3. UP.
    2.4. DOWN.

The RH mirror moves in all directions in relation to the switch position.

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

Outside Mirrors System Check Heated Mirrors

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Place the ignition in the ON position.
  2. Depress the rear defogger switch.
  1. The rear defogger switch indicator illuminates.
  2. The outside mirrors begin to heat.
  3. After approximately 10 mins. the heated mirros turn off.

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