Lexus 2004 LS430 Owner's Manual page 529

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D Make sure the engine and all accessories are turned

off before performing maintenance.

D When checking the battery, remove the ground cable

first and reinstall it last.

D Be careful not to cause a short circuit with tools.

D Take care no solution gets into the battery when

ELECTRICAL COMPONENTS

Checking battery condition

Checking by indicator

Check the battery condition by the indicator color.

BLUE - Good condition.

WHITE - Charging necessary. Have the battery checked

by your Lexus dealer.

RED - Have the battery checked by your Lexus dealer.

Do not refill the battery with water.