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What does Porsche PSM mean?

1 Answers

DelBrandon

09/03/25 8:20am

PSM is Porsche's term for the vehicle stability control system, with its full name being Porsche Stability Management (PSM). It helps maintain vehicle stability even when dynamic performance approaches its limits. Additional information is as follows: Principle: Sensors continuously monitor the vehicle's direction, speed, yaw rate, and lateral acceleration. PSM uses this data to calculate the actual direction of travel at any given moment. If the vehicle begins to oversteer or understeer, PSM selectively applies braking to individual wheels to restore stability. Vehicle Stability Control System: The vehicle stability control system is an active safety system developed by Toyota, significantly enhancing vehicle handling safety and driving convenience. In emergency situations such as sharp turns, sudden acceleration, or hard braking, the system can quickly respond by controlling each wheel individually and reducing engine output to maintain vehicle stability.

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What is the reason why the car air conditioner cannot switch to internal circulation mode?

You need to turn on the air conditioner first before activating the internal circulation mode. Here are detailed explanations about the car's internal circulation: 1. Definition: Internal circulation is an operating state of the vehicle's air conditioning system. In this mode, the air exchange channel between the interior and exterior is closed. When the blower is off, the air inside the cabin doesn't circulate; when the blower is on, the intake air comes solely from the cabin, creating internal air circulation. 2. Principle: Vehicle air conditioning systems typically have an electric or manual internal/external circulation switch. In external circulation mode, the AC draws air from outside the vehicle, while internal circulation reuses the cabin air. If the circulation switch uses a mechanical lever instead of a button, you can position the lever midway between internal and external modes to allow moderate outdoor air intake, which improves air quality while enhancing AC performance.

What are the consequences of engaging the electronic parking brake before the car comes to a complete stop?

Intensifies brake pad wear and affects systems such as the rear shock absorbers and tie rods. Below are the relevant details: 1. Electronic Parking Brake: The electronic parking brake is a technology that achieves parking braking through electronic control. Its working principle is the same as that of a mechanical handbrake, both achieving parking braking control through the friction generated between the brake disc and brake pads, except that the control method has changed from the previous mechanical handbrake lever to an electronic button. 2. Advantages of Electronic Parking Brake: The parking brake handle inside the cabin is eliminated, providing more design flexibility for the overall interior styling. The parking brake is replaced by a single button, eliminating the need for the driver to exert force to pull the parking brake handle, making it simpler and less labor-intensive, thereby reducing the operational burden on drivers, especially female drivers.

How Often Should Door Seals Be Replaced?

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What documents are required for a driver's license medical examination at the hospital?

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Why is the car locked and unable to start?

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