2009 Lexus IS 350 Owners Manual - Page 320

4-3. Do-it-yourself maintenance n Checking battery condition Check the battery condition using the indicator color. Blue: Good condition Red: Not working properly, have the battery checked by your Lexus dealer. White: Charging is necessary. Have the vehicle inspected by your Lexus dealer. n Before recharging When recharging, the battery produces hydrogen gas which is flammable and explosive. Therefore, before recharging: l If recharging with the battery installed on the vehicle, be sure to disconnect the ground cable. l Make sure the power switch on the charger is off when connecting and discon- necting the charger cables to the battery. n After recharging/reconnecting the battery In some cases, the engine may not start. Follow the procedure bellow to initialize the system. STEP 1 Shift the shift lever to "P" (automatic transmission) or depress the brake pedal with the shift lever in N (manual transmission), and turn the "ENGINE START STOP" switch OFF. STEP 2 Open and close any of the doors. STEP 3 Start the engine. (If the engine does not start first time, repeat the proce- dure.) If the engine will not start even after multiple attempts at the above method, contact your Lexus dealer. 322