1999 Lexus LX 470 User Guide 2 - Page 312

ELECTRICAL COMPONENTS Checking battery fluid There are 2 types of batteries: maintenance type and non-maintenance type. A non-maintenance battery has "MAINTENANCE FREE BATTERY" on its top. A maintenance type battery does not have such indication. Maintenance type battery Check the fluid condition by the fluid level lines on the side of the battery. Or if the battery has a hydrometer on its top, you can also check the hydrometer. Non-maintenance battery Check the battery condition by the hydrometer on the top of the battery. (a) Checking by the fluid level lines (Maintenance type battery only) 64X005b " 1 Upper line 2 Lower line The fluid (electrolyte) level must be between the upper and lower lines. When checking the fluid level, look at all six cells, not just one or two. If the level is lower than the lower line, add distilled water. (See "Adding distilled water" on page 298.) 296