Battery

Check the battery as follows:

 - Battery exterior

Make sure that the battery terminals are not corroded and that there are no loose connections, cracks, or loose clamps.

1. Terminals

1. Terminals

2. Hold-down clamp

 - Before recharging

When recharging, the battery produces hydrogen gas which is flammable and explosive. Therefore, observe the following before recharging:

• If recharging with the battery installed on the vehicle, be sure to disconnect the ground cable.

• Make sure the power switch on the charger is off when connecting and discon- necting the charger cables to the battery.

 - After recharging/reconnecting the battery

• Unlocking the doors using the smart key system may not be possible immedi- ately after reconnecting the battery. If this happens, use the wireless remote control or the mechanical key to lock/unlock the doors.

• Start the engine with the “ENGINE START STOP” switch in ACCESSORY mode. The engine may not start with the “ENGINE START STOP” switch turned OFF. However, the engine will operate normally from the second attempt.

• The “ENGINE START STOP” switch mode is recorded by the vehicle. If the bat- tery is reconnected, the vehicle will return the “ENGINE START STOP” switch mode to the status it was in before the battery was disconnected. Make sure to turn off the engine before disconnect the battery. Take extra care when con- necting the battery if the “ENGINE START STOP” switch mode prior to dis- charge is unknown.

If the system will not start even after multiple attempts, contact your Lexus dealer.

CAUTION

 - Chemicals in the battery

Batteries contain 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 battery:

• Do not cause sparks by touching the battery terminals with tools.

• Do not smoke or light a match near the battery.

• Avoid contact with eyes, skin and clothes.

• Never inhale or swallow electrolyte.

• Wear protective safety glasses when working near the battery.

• Keep children away from the battery.

 - Where to safely charge the battery

Always charge the battery in an open area. Do not charge the battery in a garage or closed room where there is not sufficient ventilation.

 - How to recharge the battery

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

CAUTION

 - Emergency measures regarding electrolyte

• If electrolyte gets in your eyes

Flush your eyes with clean water for at least 15 minutes and seek immediate med- ical 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 a burning sensation, seek medical attention immediately.

• If electrolyte gets on your clothes

It can soak through clothing on to your skin. Immediately take off the clothing and follow the procedure above if necessary.

• If you accidentally swallow electrolyte

Drink a large quantity of water or milk. Get emergency medical attention imme- diately.

NOTICE

 - When recharging the battery

Never recharge the battery while the engine is running. Also, be sure all accesso- ries are turned off.

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