Lexus IS F 2012 Owner's Manual page 501

STEP 2
To change "ENGINE START STOP" switch modes: Within 10
STEP 3
seconds of the buzzer sounding, release the brake pedal and
press the "ENGINE START STOP" switch. Modes can be
changed each time the switch is pressed. (P. 134)
To start the engine: Press the "ENGINE START STOP" switch
within 10 seconds after the buzzer sounds, keeping the brake
pedal depressed.
In the event that the engine still cannot be started, contact your Lexus
dealer.
Stopping the engine
■
Shift the shift lever to P and press the "ENGINE START STOP" switch as you nor-
mally do when stopping the engine.
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 depletes.
(P. 429)
5-2. Steps to take in an emergency
Touch the Lexus emblem side of
the electronic
"ENGINE START STOP" switch.
An alarm will sound to indicate that
the start function cannot detect the
electronic key that is touched to
the "ENGINE START STOP"
switch if any of the doors is opened
and closed while the key is touched
to the switch.
key to the
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