You will need a set of jumper cables and a willing helper with a running vehicle. Because the high-voltage system isolates the 12-volt network, you cannot use the hybrid battery to jump the car.
How to Jump Start Lexus CT200h: Step-by-Step Guide
Finally, attach the other black clamp to a solid, unpainted metal ground point on the CT200h’s chassis, away from the battery and any fuel lines. To avoid sparking that could ignite hydrogen gas, remove the clamps in the reverse order of attachment: ground clamp from the CT200h, ground clamp from the donor, negative from the donor, and finally the positive from the CT200h.
If the dashboard lights illuminate and the engine turns over, the jump was successful. A failing alternator, which charges the 12-volt system while driving, could prevent the car from holding a charge.
How to Jump Start Lexus CT200h: Step-by-Step Guide
First, connect the red positive clamp to the positive terminal of the dead battery. This modern hybrid integrates a sophisticated high-voltage system with a traditional 12-volt auxiliary setup, meaning a dead 12-volt battery is the usual culprit, even if the hybrid components remain functional.
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