2011 Lexus RX 350 Owners Manual - Page 544

4-3. Do-it-yourself maintenance Battery Check the battery as follows. n Battery exterior Make sure that the battery terminals are not corroded and that there are no loose connections, cracks, or loose clamps. Terminals Hold-down clamp n Before recharging When recharging, the battery produces hydrogen gas which is flammable and explosive. Therefore, observe the following 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 below to initialize the system. STEP 1 Shift the shift lever to P, 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. 474