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506
9-3. If the EV system will not start
When the interior lights or
headlights are dim and the
EV system cannot be started
Cause
Restarting the EV
The 12-volt battery
system using the
may be discharged.
jumper (or booster)
(P.506)
cables. (P.526)
The 12-volt battery
Check if a 12-volt
terminals may be
battery terminal is
loose or corroded.
loose or corroded.
If the vehicle 12-volt battery is
discharged
WARNING
■
When replacing the 12-volt battery
When the vent plug and indicator are
●
close to the hold down clamp, the bat-
tery fluid (sulfuric acid) may leak.
For information regarding 12-volt bat-
●
tery replacement, contact your Lexus
dealer.
If the 12-volt battery discharges, it may
not be possible to shift the shift position
to other positions.
In this case, the vehicle cannot be
towed without lifting both front wheels
because the front wheels will be
locked.
■
When the 12-volt battery is removed or
discharged
In some cases, it may not be possible to
●
unlock the doors using the smart access
system with push-button start after the
12-volt battery has been replaced.
Use the wireless remote control or the
mechanical key to lock or unlock the
doors.
●
If the EV system cannot be started the
first time the power switch is pressed
after removing and installing the 12-volt
battery, touch the Lexus emblem side of
Remedy
the electronic key to the power switch to
start the EV system.
●
The power switch mode is memorized by
the vehicle.
After the 12-volt battery has been
recharged or replaced, the power switch
will return to the mode it was in before it
was discharged or removed.
Before disconnecting the 12-volt battery,
turn the power switch off.
If you are unsure what mode the power
switch was in before the 12-volt battery was
discharged, be especially careful when
reconnecting the 12-volt battery.
●
Some systems may require initialization.
To prevent 12-volt battery discharge
■
Turn off the headlights and the audio sys-
●
tem while the EV system is off.
●
Turn off any unnecessary electrical com-
ponents when the vehicle is running at a
low speed for an extended period, such
as in heavy traffic.
If the vehicle 12-volt battery is dis-
■
charged
●
The doors cannot be locked or unlocked
using the Smart access system with
push-button start or wireless remote con-
trol, and the door opener switches will
not operate. Use the mechanical key to
enable/disable manual release handle
operation. By enabling manual release
handle operation, the door can be
opened.
Information recorded by various comput-
●
ers will be cleared.
If the 12-volt battery has become dis-
charged, have the vehicle inspected by
your Lexus dealer.
●
Some systems may require initialization.
■
Charging the 12-volt battery
The electricity stored in the 12-volt battery
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