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What does it mean when the passenger light is on in a car?

1 Answers

GenevieveAnn

07/29/25 12:19pm

If the passenger light remains illuminated after starting the car or during vehicle operation, it indicates a fault in the airbag system. A diagnostic computer is required to extract the fault code for repair. When the SRS light is on, the airbag system is deactivated. If the vehicle is under warranty, visit a 4S dealership for inspection, as this falls under warranty coverage. The working principle of the airbag system (taking the driver's airbag as an example): When a frontal collision occurs, the airbag control system detects an impact force (vehicle deceleration) exceeding the set threshold via collision sensors. The airbag computer immediately activates the electric detonator circuit in the inflator, igniting the ignition medium inside the detonator. The flame ignites the ignition powder and gas generant, producing a large volume of gas. The airbag inflates within 0.03 seconds, rapidly expanding and breaking through the steering wheel's decorative cover toward the driver. This cushions the driver's head and chest against the inflated airbag, absorbing the impact. The gas is subsequently released from the airbag.

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What to do if the Prado turn signal doesn't work?

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