Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1993 Buick Roadmaster BaseFACTORY OEM SERVICE PROCEDURE
Symptom To Test Chart
SYMPTOM TO TEST CHART
| Symptom | Test |
|---|---|
| Keyless Entry System Inoperative | 1 |
| Driver's Door Lock Or Unlock Function Inoperative, Passenger Door Locks Operate Normally | 2 |
| Rear Glass Release Inoperative (Wagon) | 3 |
| Rear Glass Release Available With Ignition Switch In Run & Transmission Out Of Park (Wagon) | 4 |
| Courtesy Lights Do Not Turn On When Unlock Function Is Operated (Courtesy Lights Turn On When Any Door Is Open) | 5 |
| Trunk Lid Release Inoperative (Sedan) | 6 |
| Trunk Lid Release Available With Ignition Switch In Run & Transmission Out Of Park (Sedan) | 7 |
| Keyless Entry Receiver/Transmitter Will Not Program | 8 |
| Doors Do Not Unlock With Ignition Switch In Run & Transmission Shifted To Park | 9 |
| Doors Do Not Automatically Lock When All Doors Are Closed & Transmission Is Shifted Out Of Park With Ignition Switch In Run | 10 |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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