2004 Lexus SC 430 Owners Manual - Page 261

IN CASE OF AN EMERGENCY NOTICE Do not pull-or push-start the vehicle. It may damage the vehicle or cause a collision when the engine starts. Also the three-way catalytic converter may overheat and become a fire hazard. If the engine turns over at its normal speed but will not start 1. The engine may be flooded because of repeated cranking. See "(b) Starting a flooded engine" for further instructions. 2. If the engine still will not start, it needs adjustment or repair. Call a Lexus dealer, Roadside Assistance or Customer Service Assistance. (See "Foreword".) (b) Starting a flooded engine If the engine will not start, your engine may be flooded because of repeated cranking. If this happens, turn the ignition switch to "START" with the accelerator pedal fully depressed. Continue this operation for 30 seconds and then stop cranking. Then try starting the engine with your foot off the accelerator pedal. If the engine does not start after 30 seconds of cranking, release the ignition switch, wait a few minutes and try again. If the engine still will not start, it needs adjustment or repair. Call a Lexus dealer, Roadside Assistance or Customer Service Assistance. (See "Foreword".) NOTICE Do not crank for more than 30 seconds at a time. This may overheat the starter and wiring systems. (c) Jump starting To avoid serious personal injury and damage to your vehicle which might result from battery explosion, acid burns, electrical burns, or damaged electronic components, these instructions must be followed precisely. If you are unsure about how to follow this procedure, we strongly recommend that you seek help from your Lexus dealer, Roadside Assistance or Customer Service Assistance. (See "Foreword".) 241