2009 Nissan Altima Owner's Manual - Page 306

● Do not operate the vehicle if the fluid in the battery is low. Low battery fluid can cause a higher load on the battery which can generate heat, reduce battery life, and in some cases lead to an explosion. ● When working on or near a battery, always wear suitable eye protection and remove all jewelry. ● Battery posts, terminals and related accessories contain lead and lead compounds. Wash hands after handling. ● Keep battery out of the reach of children. WDI0224 1. Remove the vent caps with a screwdriver as shown. Use a cloth to protect the battery case. LDI0302 2. Check the fluid level in each cell. If it is necessary to add fluid, add only distilled water to bring the level up to the bottom of the filler opening. Do not overfill. . Reinstall the vent caps. 8-16 Maintenance and do-it-yourself