Location
RX450h
The 12-volt battery is located in the left-hand side of luggage compartment.
RX450hL
The 12-volt battery is located in the left-hand side of luggage compartment.
Removing the 12-volt battery cover
RX450h
1. Lift the deck board and attach the hook.
2. Remove the cover after removing the clips.
RX450hL
1. Remove the deck board and side auxiliary box cover.
2. Remove the 12-volt battery cover.
3. Remove the deck side trim cover.
Exterior
RX450h
Make sure that the 12-volt battery terminals are not corroded and that there are no loose connections, cracks, or loose clamps.
RX450hL
Make sure that the 12-volt battery terminals are not corroded and that there are no loose connections, cracks, or loose clamps.
Installing the 12-volt battery cover
RX450h
Install the 12-volt battery cover with the clips.
RX450hL
1. Install the deck side trim cover.
2. Install the 12-volt battery cover.
■ Before recharging When recharging, the 12-volt battery produces hydrogen gas which is flammable and explosive. Therefore, observe the following precautions before recharging:
■ After recharging/reconnecting the 12-volt battery
If the system will not start even after multiple attempts at all methods above, contact your Lexus dealer.
WARNING
■ Chemicals in the 12-volt battery The 12-volt battery contains poisonous and corrosive sulfuric acid and may produce hydrogen gas which is flammable and explosive. To reduce the risk of death or serious injury, take the following precautions while working on or near the 12-volt battery:
■Where to safely charge the 12-volt battery Always charge the 12-volt battery in an open area. Do not charge the 12-volt battery in a garage or closed room where there is insufficient ventilation.
■ How to recharge the 12-volt battery Only perform a slow charge (5 A or less). The 12-volt battery may explode if charged at a quicker rate.
WARNING
■ Emergency measures regarding electrolyte
■When disconnecting the 12-volt battery (RX450h)
Do not disconnect the negative (-) terminal on the body side as shown. The disconnected negative (-) terminal may touch the positive (+) terminal, which may cause a short and result in death or serious injury.
NOTICE
■When recharging the 12-volt battery Never recharge the 12-volt battery while the hybrid system is operating. Also, be sure all accessories are turned off.
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