Lexus 2012 RX450h Owner's Manual page 921

Stopping the engine (RX350)
■
Shift the shift lever to P and press the "ENGINE START STOP" switch as you nor-
mally do when stopping the engine.
Stopping the hybrid system (RX450h)
■
Shift the shift lever to P and press the "POWER" switch as you normally do when
stopping the hybrid system.
Replacing the key battery
■
As the above procedure is a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery is depleted.
(P. 792)
5-2. Steps to take in an emergency
5
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