Lexus 2012 RX450h Owner's Manual page 215

If the hybrid system is malfunctioning
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P. 871
If the electronic key battery is depleted
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P. 792
CAUTION
When starting the hybrid system
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Always start the hybrid system while sitting in the driver' s seat. Do not depress the
accelerator pedal while starting the hybrid system under any circumstances.
Doing so may cause an accident resulting in death or serious injury.
Caution while driving
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If a hybrid system failure occurs while the vehicle is moving, do not lock or open the
doors until the vehicle reaches a safe and complete stop. Activation of the steering
lock in this circumstance may lead to an accident, resulting in death or serious
injury.
Stopping the hybrid system in an emergency
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If you want to stop the hybrid system in an emergency while driving the vehicle,
press and hold the "POWER" switch for more than 2 seconds, or press it briefly 3
times or more in succession. (P. 940)
However, do not touch the "POWER" switch while driving except in an emergency.
Turning the hybrid system off while driving will not cause loss of steering or braking
control, but the power assist to these systems will be lost. This will make it more diffi-
cult to steer and brake, so you should pull over and stop the vehicle as soon as it is
safe to do so.
2-1. Driving procedures
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