Lexus RX 450h 2022 Manual page 371

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2
Remove the cover after removing
the clips.
1
Press
2
Pull out
RX450hL
1
Remove the deck board and side
auxiliary box cover. (P.327)
2
Remove the 12-volt battery cover.
3
Remove the deck side trim cover.
Before recharging
When recharging, the 12-volt battery pro-
duces hydrogen gas which is flammable
and explosive. Therefore, observe the fol-
6-3. Do-it-yourself maintenance
lowing precautions before recharging:
If recharging with the 12-volt battery
installed on the vehicle, be sure to discon-
nect the ground cable.
Make sure the power switch on the char-
ger is off when connecting and discon-
necting the charger cables to the 12-volt
battery.
After recharging/reconnecting the
12-volt battery
The hybrid system may not start. Follow
the procedure below to initialize the sys-
tem.
1
Shift the shift lever to P.
2
Open and close any of the doors.
3
Restart the hybrid system.
Unlocking the doors using the smart
access system with push-button start may
not be possible immediately after recon-
necting the 12-volt battery. If this hap-
pens, use the wireless remote control or
the mechanical key to lock/unlock the
doors.
Start the hybrid system with the power
switch in ACCESSORY mode. The
hybrid system may not start with the
power switch turned off. However, the
hybrid system will operate normally from
the second attempt.
The power switch mode is recorded by
the vehicle. If the 12-volt battery is recon-
nected, the vehicle will return the power
switch mode to the status it was in before
the 12-volt battery was disconnected.
Make sure to turn off the power before
disconnect the 12-volt battery. Take extra
care when connecting the 12-volt battery
if the power switch mode prior to dis-
charge is unknown.
If the system will not start even after multiple
attempts at all the methods above, contact
your Lexus dealer.
371
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