ES350 300h_OM_OM33A01U_(U)
6-
3. Do-it-yourself maintenance
■ Adding distilled water
R
emove the vent plug.
Add distilled water.
If the “UPPER LEVEL” line cannot
be seen, check the fluid level by
looking directly at the cell.
Put the vent plug back on and close it securely.
■ Before recharging
When recharging, the 12-volt battery produces hydrogen gas which is flammable
and explosive. Therefore, observe the following before recharging:
● If recharging with the 12-volt battery installed on the vehicle, be sure to disconnect
the ground cable.
● Make sure the “START STOP ENGINE” switch on the charger is off when con-
necting and disconnecting the charger cables to the 12-volt battery.
1
Low O.K.
2
3