How to start the Nissan Sylphy when the car key battery is dead?

1 Answers
RubyDella
07/30/25 7:28am
If the Nissan Sylphy car key battery is dead and the vehicle does not have a one-touch start intelligent control system, you can simply use the mechanical key to start the car. If the vehicle is equipped with a one-touch start intelligent control system, follow these steps to start the engine: 1. Move the gear shift lever to the P position, firmly press the foot brake, and touch the ignition switch with the smart key. 2. Within 10 seconds of the buzzer sounding, press the brake pedal and push the ignition switch. 3. Vehicles with one-touch start usually have a slot for the smart key. In some models, this slot is located inside the center console, while in others, it is under the mat in the cup holder. When the smart key battery is dead, insert the smart key into this slot, and the vehicle will detect the presence of the key, allowing you to start the car.
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