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.
1999 Buick Regal LSFACTORY OEM SERVICE PROCEDURE
Charging System Check
- Turn ignition to start. If engine cranks, go to next step. If starter solenoid does not click or starter solenoid clicks, but engine does not crank, diagnose starter. See appropriate STARTERS article.
- Start engine. If charging system and indicator light are operating properly, check is complete. If battery is undercharged or overcharged, go to appropriate BATTERY UNDERCHARGED OR OVERCHARGED test. If charge indicator is always on, go to appropriate CHARGE INDICATOR LIGHT ALWAYS ON test. If indicator is inoperative, go to appropriate CHARGE INDICATOR LIGHT NEVER ON test.
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.