Volvo S80 Owners Manual 2004
![Volvo S80 2004 manual cover](/images/802058eb00a0e6930e743b21/thumbs/thumb175x175.webp)
To reset the service light, turn the ignition key to position I. Press and hold the trip odometer reset button. Turn the ignition key to position II while still holding the button. After about 10 seconds, the service light will start blinking. Release the button and turn off the ignition.
The 2004 Volvo S80 typically requires SAE 5W-30 engine oil. It is important to use oil that meets the ACEA A5/B5 specification for optimal performance.
Start by checking if the AC compressor is engaging. If not, inspect the AC relay and fuse. Verify that the refrigerant levels are adequate. If these are in order, a professional diagnosis might be needed to check for leaks or compressor issues.
The recommended tire pressure for the 2004 Volvo S80 is typically 32 psi for the front and rear tires. However, always refer to the sticker located on the driver's side door jamb for the most accurate information.
First, open the hood and locate the back of the headlight assembly. Twist and remove the cover, then disconnect the electrical connector from the bulb. Release the retaining clip and remove the old bulb. Insert the new bulb, secure the retaining clip, reconnect the electrical connector, and replace the cover.
Signs of a failing transmission may include slipping gears, delayed shifting, unusual noises, leaking transmission fluid, or a burning smell. If you experience any of these symptoms, it is advisable to have the transmission inspected by a professional.
Locate the brake fluid reservoir under the hood near the driver's side. Check the fluid level against the "MIN" and "MAX" markings on the side of the reservoir. If the level is low, add the recommended brake fluid type, ensuring not to overfill.
To improve fuel efficiency, ensure regular maintenance such as oil changes, air filter replacement, and spark plug checks. Maintain proper tire pressure, avoid excessive idling, and drive at steady speeds. Also, minimize the use of air conditioning when possible.
Check the battery connections and ensure they are clean and tight. Test the battery voltage and charge if necessary. Examine the starter motor and alternator for faults. If the problem persists, a professional diagnostic may be required to identify the issue.
The cabin air filter is located behind the glove box. Open the glove box and remove the retaining screws to lower it. Locate the filter cover, unclip it, and remove the old filter. Insert the new filter, ensuring it is oriented correctly, and reassemble the glove box.