2006 Lexus GS 300 Owners Manual - Page 490

IN CASE OF AN EMERGENCY CAUTION When making the connections, to avoid serious injury, do not lean over the battery or accidentally let the jumper cables or clamps touch anything except the correct battery terminals or the ground. 5. Charge the discharged battery with the jumper cables connected for approximately 5 minutes. At this time, run the engine in the vehicle with the booster battery at about 2000 rpm with the accelerator pedal lightly depressed. 6. Start your engine in the normal way. After starting, run it at about 2000 rpm for several minutes with the accelerator pedal lightly depressed. 7. Carefully disconnect the cables in the exact reverse order: the negative cable and then the positive cable. 8. Carefully dispose of the battery cover cloths which may now contain sulfuric acid. 9. If removed, replace all the battery vent plugs. If the cause of your battery discharging is not apparent (for example, lights left on), you should have it checked at your Lexus dealer. If the first start attempt is not successful...Check that the clamp on the jumper cables are tight. Recharge the discharged battery with the jumper cables connected for several minutes and restart your engine in the normal way. If another attempt is not successful, the battery may be depleted. Have it checked at your Lexus dealer. 466 IF YOU CANNOT INCREASE ENGINE SPEED If engine speed does not increase when the accelerator pedal is depressed, there may be a problem somewhere in the electronic throttle control system. Move the vehicle to a safe place by means of creeping and call a Lexus dealer for assistance: 1. Depress the brake pedal and shift to the "D" position. 2. Gradually release the brake pedal, and the vehicle starts to move by creeping. After arriving at a safe place, stop the vehicle and call a Lexus dealer for assistance. CAUTION D The above method of moving the vehicle is for emergency. Use it only for moving minimum distances to a safe place. D Be especially careful to prevent erroneous pedal operation.