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6-3. Do-it-yourself maintenance
Checking 12-volt battery condition
Check the 12-volt battery condition by indicator color.
Blue:
1
Good condition
Red:
2
Charging is necessary.
Have the vehicle inspected by
your Toyota dealer.
Clear:
3
Battery fluid level is low.
Have
the
checked by your Toyota dealer.
■
Before recharging
When recharging, the 12-volt battery produces hydrogen gas which is flam-
mable and explosive. Therefore, observe the following precautions before
recharging:
●
If recharging with the 12-volt battery installed on the vehicle, be sure to dis-
connect 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
●
Unlocking the doors using the smart entry & start system may not be possi-
ble immediately after reconnecting the 12-volt battery. If this happens, 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
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 before disconnecting the 12-volt battery. Take extra care when
connecting the 12-volt battery if the power switch mode prior to discharge is
unknown.
If the system will not start even after multiple attempts, contact your Toyota
dealer.
12-volt
battery
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