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2
Touch the Lexus emblem side of the
electronic key to the power switch.
When the electronic key is detected, a
buzzer sounds and the power switch will
turn to ON mode.
When the smart access system with
push-button start is deactivated in custom-
ization setting, the power switch will turn to
ACCESSORY mode.
3
Firmly depress the brake pedal and
check that
multi-information display.
4
Press the power switch.
In the event that the hybrid system still
cannot be started, contact your Lexus
dealer.
Stopping the hybrid system
■
Set the parking brake, shift the shift position
to P and press the power switch as you nor-
mally do when stopping the hybrid system.
Electronic 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.413)
■
Changing power switch modes
Release the brake pedal and press the
power switch in step
system does not start and modes will be
changed each time the switch is pressed.
(→P.170)
LS500h_OM_OM50F42U_(U)
7-2. Steps to take in an emergency
is shown on the
3
above. The hybrid
If the 12-volt battery is dis-
charged
The following procedures may be
used to start the hybrid system if the
12-volt battery is discharged.
You can also call your Lexus dealer
or a qualified repair shop.
Restarting the hybrid system
If you have a set of jumper (or booster)
cables and a second vehicle with a
12-volt battery, you can jump start your
vehicle by following the steps below.
Method connecting jumper (or
booster) cables to the 12-volt bat-
tery
1
Confirm that the electronic key is
being carried.
When connecting the jumper (or booster)
cables, depending on the situation, the
alarm may activate and doors locked.
(→P.69)
2
Open the trunk lid and remove the
luggage mat. (→P.348)
In the event that the trunk opener cannot
be used, use the mechanical key to open
the trunk. (→P.445)
447
7
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