Chemicals In The 12-Volt - Warning; Where To Safely Charge The 12-Volt Battery; How To Recharge The 12-Volt Battery; Emergency Measures Regarding Electrolyte - Lexus RX 450H Owner's Manual

The power switch mode is recorded by the vehicle. If the 12-volt battery is reconnected,
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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 discharge is unknown.
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:
Do not cause sparks by touching the 12-volt battery terminals with tools.
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Do not smoke or light a match near the 12-volt battery.
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Avoid contact with eyes, skin and clothes.
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Never inhale or swallow electrolyte.
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Wear protective safety glasses when working near the 12-volt battery.
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Keep children away from the 12-volt battery.
●

Where to safely charge the 12-volt battery

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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

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Only perform a slow charge (5 A or less). The 12-volt battery may explode if charged
at a quicker rate.

Emergency measures regarding electrolyte

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If electrolyte gets in your eyes
●
Flush your eyes with clean water for at least 15 minutes and get immediate medical
attention. If possible, continue to apply water with a sponge or cloth while traveling to
the nearest medical facility.
If electrolyte gets on your skin
●
Wash the affected area thoroughly. If you feel pain or burning, get medical attention
immediately.
If electrolyte gets on your clothes
●
It can soak through clothing on to your skin. Immediately take off the clothing and fol-
low the procedure above if necessary.
If you accidentally swallow electrolyte
●
Drink a large quantity of water or milk. Get emergency medical attention immedi-
ately.
When handling the 12-volt battery
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