Oldsmobile Alero 1999 Owner's Manual
![Oldsmobile Alero 1999 manual cover](/images/DmomjjMJkBZeNJnbnicjrmtv/thumbs/thumb175x175.webp)
To reset the 'Change Oil' light on your 1999 Oldsmobile Alero, turn the ignition to the "ON" position without starting the engine. Fully press the accelerator pedal three times within five seconds. The light should flash and then go out, indicating a successful reset.
The 1999 Oldsmobile Alero typically requires 5W-30 engine oil. Always check the owner's manual or consult with a professional to ensure compatibility with your specific engine type.
Common reasons for overheating include a faulty thermostat, low coolant levels, a malfunctioning radiator fan, or a clogged radiator. Start by checking the coolant levels and look for any visible leaks. If the problem persists, consult a mechanic.
To improve fuel efficiency, ensure regular maintenance such as timely oil changes, maintaining proper tire pressure, replacing air filters, and checking for any fault codes that might indicate engine issues.
The fuse box in a 1999 Oldsmobile Alero is located on the driver's side of the dashboard, near the door. There is also a secondary fuse box under the hood on the driver's side.
Open the hood and locate the back of the headlight assembly. Remove the electrical connector and the rubber weather cover. Twist the bulb socket counterclockwise and remove it. Replace with a new bulb, ensuring not to touch the glass, and reassemble.
Check the fuse for the power windows in the fuse box. If the fuse is intact, inspect the window switch and wiring. If the issue persists, the window motor or regulator might be faulty and require replacement.
Check the battery connections for corrosion and ensure they are tight. Test the battery voltage. If the battery is fine, inspect the starter and ignition system. Listen for any clicking sounds, which might indicate a faulty starter.
Common transmission issues include slipping gears, hard shifting, and delayed engagement. Regular maintenance, such as checking and replacing transmission fluid, can help prevent these issues.
Start by checking the refrigerant levels and ensure there are no leaks. Inspect the A/C compressor and belts for any damage. If the system still doesn’t work, it might require a professional diagnosis to check for electrical issues.