Lexus RX 450h Owner's Manual page 477

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.428)
2 Remove the 12-volt battery cover.
3 Remove the deck side trim cover.
Before recharging
■
When recharging, the 12-volt battery pro-
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6-3. Do-it-yourself maintenance
duces hydrogen gas which is flammable
and explosive. Therefore, observe the fol-
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
●
charger is off when connecting and dis-
connecting 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
●
entry & start system may not be possible
immediately after reconnecting the
12-volt battery. If this happens, use the
wireless remote control or the mechani-
cal 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 dis-
connected and reconnected, 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 switch before disconnecting
the 12-volt battery. Take extra care when
connecting the 12-volt battery if the
power switch mode prior to the 12-volt
battery being disconnected is unknown.
If the system will not start even after multiple
attempts at all the methods above, contact
your Lexus dealer.
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