Lexus IS300H 2017 Manual page 632

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8-2. Steps to take in an emergency
Open the exclusive jump starting
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terminal cover.
Connect the jumper cables according to the following procedure:
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Connect a positive jumper cable clamp to the exclusive jump starting ter-
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minal on your vehicle.
Connect the clamp on the other end of the positive cable to the positive (+)
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battery terminal on the second vehicle.
Connect a negative cable clamp to the negative (-) battery terminal on the
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second vehicle.
Connect the clamp at the other end of the negative cable to a solid, station-
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ary, unpainted metallic point away from the exclusive jump starting terminal
and any moving parts, as shown in the illustration.
Start the engine of the second vehicle. Increase the engine speed slightly and
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maintain at that level for approximately 5 minutes to recharge the 12-volt bat-
tery of your vehicle.
Open and close any of the doors of your vehicle with the power switch off.
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