2008 Volvo S40 Owner's Manual - Page 191

4. Connect the positive cable. 5. Connect the ground cable. 6. Reinstall the cover over the battery. NOTE Used batteries should be properly disposed of at a recycling station or similar facility, or taken to your Volvo retailer. WARNING Never expose the battery to open flame or electric spark. Do not smoke near the battery. Battery fluid contains sulfuric acid. Do not allow battery fluid to contact eyes, skin, fabrics or painted surfaces. If contact occurs, flush the affected area immediately with water. Obtain medical help immediately if eyes are affected. 211 09 Maintenance and servicing Replacing bulbs Introduction Before replacing bulbs in your vehicle, please keep the following points in mind: NOTE Never touch the glass of bulbs with your fingers. Grease and oils from your fingers vaporize in the heat and will leave a deposit on the reflector, which will damage it. The optional Bi-Xenon® headlight bulbs contain trace amounts of mercury. These bulbs should always be disposed of by an authorized Volvo retailer. Certain bulbs should only be replaced by a trained and qualified Volvo service technician: - Courtesy (dome) lighting - Reading lights - Glove compartment lights - Turn signals and courtesy lights in the side door mirrors - High-mounted brake lights - Bi-Xenon® headlights - Brake lights 212 09 Maintenance and servicing Replacing bulbs Removing the headlight housing