GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

Turn the ignition switch to the RUN position.

    • The air bag warning indicator flashes 7 times.
    • All of the segments of the SEO VF digital display illuminate for 3-5 seconds (if equipped).
    • The brake warning indicator illuminates for 3-5 seconds.
    • The charge warning indicator is illuminated.
    • The engine coolant temperature gauge displays the coolant temperature.
    • The fasten belts indicator illuminates until the driver side seatbelt is buckled.
    • The fuel gauge increases approximately ½ scale above the actual level before showing the actual level.
    • The low oil level indicator illuminates for 3 to 5 seconds or remains illuminated if the oil level is low.
    • The low trac indicator illuminates for 3 to 5 seconds.
    • The oil pressure warning indicator is illuminated.
    • The security indicator illuminates for 5 seconds.
    • The service engine soon indicator illuminates.
    • The speedometer show 0 mph (0 km/h).
    • The tachometer shows 0 RPM.
    • The SEO VF digital display reads a speed of 0. The season odometer is reading the current season mileage (if equipped).
    • Air Bag Inoperative Warning Indicator Remains Illuminated or Flashes. SIR Diagnostic System Check in SIR.
    • Low Trac Indicator is Inoperative or Does Not Work Properly
    •  Vehicle Theft Deterrent (VTD) System Check in Theft Deterrent System
    •  Malfunction Indicator Lamp (MIL) Inoperative in Engine Controls 3.1 or Malfunction Indicator Lamp (MIL) Inoperative in Engine Controls 3.8
    •  Tachometer Inoperative

2

  1. Turn the headlight switch to the HEAD position.
  2. Set the headlamp dimmer switch to the HIGH position.
  3. Turn the headlight switch to the OFF position.
    • The beams and high beam indicator illuminate.
    • The high beams and high beam indicator turn off.

High Beam Indicator Inoperative

3

  1. Apply the parking brake.
  2. Release the parking brake.
    • The parking brake indicator illuminates.
    • The parking brake indicator turns off.

Primary Brake Indicator or Alarm Inoperative

4

  1. Turn the headlamps switch to the PARK position.
  2. Adjust the IP dimmer switch to the OFF position and then to maximum brightness.
    • The instrument cluster illumination comes on.
    • The instrument cluster illumination goes to the OFF position and then to maximum brightness.

Instrument Cluster Illumination Lamps Inoperative

5

Fasten the seat belts.

    • The fasten belts warning indicator turns off when the seat belt is buckled.
    • The fasten belts warning indicator stays off until the seat belt is unbuckled.

Fasten Safety Belt Indicator/Chime Inoperative

6

Change the season/trip switch to the TRIP position.

The SEO VF digital odometer display changes from the XXXXXX to the XXX.X format.

Odometer Does Not Switch Between Trip and Season

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