For 1990-2009 cars

Step | Action | Normal Result(s) | Abnormal Result(s)*
--- | --- | --- | ---
1 |

1. Turn the ignition switch to RUN.
2. Close all of the doors.
3. Unbuckle the safety belt.
4. Do not apply the park brake.
5. Disengage the TRACTION OFF switch.
6. Start the engine.

• | The odometer illuminates (Buick).

• | The gear selector indicator illuminates (Buick).

• | The AIR BAG indicator flashes 7 times.

• | The ANTILOCK indicator illuminates briefly.

• | The BRAKE indicator illuminates briefly (Buick).

• | The BRAKE FLUID indicator illuminates briefly (Oldsmobile).

• | The BRAKE-TO-SHIFT indicator illuminates (Buick).

• | The CHECK OIL LEVEL indicator illuminates briefly (Buick).

• | The CRUISE indicator illuminates briefly.

• | The engine coolant hot indicator illuminates briefly (Buick).

• | The low fuel indicator illuminates briefly (Buick).

• | The LOW COOLANT indicator illuminates briefly (Buick).

• | The OIL indicator illuminates briefly.

• | The SECURITY indicator illuminates briefly.

• | The SERVICE ENGINE SOON indicator illuminates briefly.

• | The TRACTION OFF indicator illuminates briefly.

• | The VOLTS indicator illuminates briefly.

• | The fuel gauge indicates the fuel level.

• | The coolant temperature gauge indicates the engine coolant temperature.

• | The gear selector indicator indicates the gear selected (Buick).

• | The tachometer indicates the engine RPM.

• | Fuel Gage Inaccurate or Inoperative

• | Engine Coolant Temperature Gage Inaccurate or Inoperative

• | Instrument Cluster Inoperative

• | Speedometer and/or Odometer Inoperative

• | AIR BAG Warning Lamp Comes On Steady in SIR

• | AIR BAG Warning Lamp Does Not Come On in SIR

• | Brake Warning Indicator Always On in Hydraulic Brakes

• | Brake Warning Indicator Inoperative in Hydraulic Brakes

• | BRAKE FLUID Indicator Always On or Inoperative

• | BRAKE-TO-SHIFT Indicator Always On or Inoperative

• | Low Engine Oil Level Indicator Inoperative

• | Engine Coolant Hot Indicator Always On or Inoperative

• | Fuel Gage Inaccurate or Inoperative

• | Low Engine Coolant Indicator Always On

• | Low Engine Coolant Indicator Inoperative

• | OIL Indicator Always ON

• | Low Engine Oil Level Indicator Inoperative

• | SECURITY Indicator Always On or Flashing

• | SERVICE ENGINE SOON Indicator Always On or Inoperative

• | TRACTION OFF Indicator Always On or Inoperative

• | Charge Indicator Always On in Engine Electrical

• | Charge Indicator Inoperative in Engine Electrical

• | Fuel Gage Inaccurate or Inoperative

• | Engine Coolant Temperature Gage Inaccurate or Inoperative

2 | Apply the park brake. | The PARK (Oldsmobile) or the BRAKE (Buick) indicator illuminates. |

• | Brake Warning Indicator Always On in Hydraulic Brakes

• | Brake Warning Indicator Inoperative in Hydraulic Brakes

3 | Operate the turn signals. | The turn indicators flash with the turn signals. |

• | Turn Signal Indicator Inoperative - Left Side

• | Turn Signal Indicator Inoperative - Right Side

4 | Turn on the hazard switch. | The hazard indicator flashes. | Hazard Indicators Inoperative
5 | Turn on the headlights. |

• | The instrument panel illumination lamps are illuminated.

• | The instrument cluster display dims to the current dimmer control setting.

• | Instrument Cluster Illumination Lamps Inoperative

• | Instrument Cluster Illumination Lamps Do Not Dim

6 | Turn on the high beam headlights. | The high beam indicator illuminates. |

• | High Beam Indicator Always On

• | High Beam Indicator Inoperative

7 | Adjust the instrument panel dimmer control. | The instrument panel illumination varies. | Instrument Cluster Illumination Lamps Do Not Dim
8 | Open the doors one at a time. |

• | The DOOR AJAR indicator illuminates.

• | The appropriate door ajar message displays in the driver information center (DIC) (Oldsmobile).

• | DOOR AJAR Message Inoperative

• | DRIVERS DOOR AJAR Warning Always On or Inoperative

• | PASSENGER DOOR AJAR Warning Always On or Inoperative

• | REAR DOOR AJAR Warning Always On or Inoperative

9 | Press the TRIP RESET (Buick) or the TRIP (Oldsmobile) button. | The trip odometer resets to 0 miles. | Odometer Does Not Reset - Trip
10 | Use the scan tool IPC tests in order to select E/M (Buick). | The odometer changes between English and Metric values. | Driver Information Center (DIC) Switch Inoperative
11 | Use a scan tool in order to test for the instrument cluster diagnostic trouble codes (DTCs). | No DTCs are present. | DTCs are present.
12 |

1. Press the brake pedal.
2. Shift the vehicle from PARK to NEUTRAL.

1. The BRAKE-TO-SHIFT indicator turns off (Buick).
2. The gear position N indicator is illuminated.

BRAKE-TO-SHIFT Indicator Always On

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