2009 Volvo XC90 Owner's Manual - Page 214

09 Maintenance and servicing 09 Battery Battery maintenance • Check that the battery cables are correctly connected and properly tightened. Route ventilation hose through opening in floor (see one of the illustrations in "Replacing the battery" on page 215). A • Never disconnect the battery when the engine is running, for example when changing the battery. • The battery should be disconnected from the vehicle when a battery charger is used directly on the battery. G030883 • However, if the battery is being charged via the connecting points in the engine compartment (see page 141), the battery must be connected. G030882 Two types of battery may be used and are fully interchangeable • Check the fluid level in each cell in the battery every 24 months or every 15,0001 miles (24,000 km), whichever is sooner. The fluid should be at the level shown in the illustration above (A)2. Do not overfill. WARNING PROPOSITION 65 WARNING! Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the state of California to cause cancer and reproductive harm. Wash hands after handling. The battery in your vehicle is located under the floor of the cargo compartment. Driving habits and conditions, climate, the number of starts, etc. all affect the service life and function of the battery. In order for your battery to perform satisfactorily, keep the following in mind: • Use a screw driver to open the caps or cover and a flashlight to inspect the level. • If necessary, add distilled water. The level should never be above the indicator (A)2. • The fluid level should be checked if the battery has been recharged. • After inspection, be sure the cap over each battery cell or cover is securely in place. 1 2 More frequently in warm climates. The level indicator inside the battery could be designed in various ways. See illustrations. 214