Lexus ES-300 2001 Manual page 361

IN CASE OF AN EMERGENCY
(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 key to "START" with the
accelerator pedal held down. 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 key, 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.
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(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".)