Lexus LS460 Owners Book page 735

5-2. Steps to take in an emergency
Trunk
Changing "ENGINE START STOP" switch modes and starting the engine
Shift the shift lever to "P" and apply the brakes.
STEP 1
STEP 2
734
Turn the mechanical key clock-
wise to open.
Touch the Lexus emblem side of
the electronic
"ENGINE START STOP" switch.
If any of the doors is opened or
closed after the key was touched to
the switch to start the vehicle, an
alarm will sound to indicate that the
start function cannot detect the
key.
key to the