Hybrid Synergy Drive Operation - Lexus GS 450h 2006 Emergency Response Manual

HYBRID SYNERGY DRIVE OPERATION

Instrument cluster READY Indicator
Once the READY indicator is illuminated in the
instrument cluster, the vehicle may be driven.
However, the petrol engine does not idle like a
typical vehicle and will start and stop automatically.
It is important to recognise and understand the
READY indicator provided in the instrument
cluster. When lit, it informs the driver that the
vehicle is on and operational even though the
petrol engine may be off and the engine
compartment is silent.
Vehicle Operation
• With the GS450h, the petrol engine may stop
and start at any time while the READY indicator
is on.
• Never assume that the vehicle is shut off just
because the engine is off. Always look for the
READY indicator status. The vehicle is shut off
when the READY indicator is off.
• The vehicle may be powered by:
1. The electric motor only.
2. The petrol engine only.
3. A combination of both the electric motor
and the petrol engine.
• The vehicle computer determines the mode in
which the vehicle operates to improve fuel
economy and reduce emissions. The driver
cannot manually select the mode.
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