2004 Lexus SC 430 Owners Manual - Page 264

IN CASE OF AN EMERGENCY NOTICE When disconnecting the battery, be sure to cancel the theft deterrent system. Otherwise, the system could activate an alarm and lock the unlocked door(s) automatically. IF YOUR VEHICLE OVERHEATS If your engine coolant temperature gauge indicates overheating, if you experience a loss of power, or if you hear a loud knocking or pinging noise, the engine has probably overheated. IF YOU CANNOT INCREASE ENGINE SPEED If engine speed does not increase when the accelerator pedal is depressed, the electronic throttle control system may be faulty. 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. When the engine overheats Pull safely off the road, stop the vehicle and turn on your emergency flashers. Put the transmission in "P" and apply the parking brake. A: If steam is coming from your engine: Turn off the engine. Leave the hood closed until there is no sign of steam or coolant. Your engine could have been seriously damaged already. Call your Lexus dealer for assistance. CAUTION To help avoid personal injury, keep the hood closed until there is no steam. Escaping steam or coolant is sign of very high pressure. B: If no steam is coming from your engine: Leave the engine running and turn off the air conditioning. Check the following. D Is the cooling fan operating? D Is the coolant in the acceptable range? D Is the engine drive belt O.K.? 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. 244