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What is the function of the instrument ACC?

1 Answers
Pat
07/29/25 3:11pm
The functions of the instrument ACC are: 1. Maintain the vehicle's longitudinal driving. In case of a collision risk, the vehicle will alert the driver and perform active braking intervention; 2. When the distance to the vehicle ahead is too small, the ACC control unit can coordinate with the anti-lock braking system and engine control system to apply appropriate braking to the wheels, ensuring the vehicle maintains a safe distance from the vehicle ahead. The instrument ACC refers to the car's adaptive cruise control system, which consists of: 1. Radar sensor; 2. Electronic control unit; 3. Cruise control switch; 4. Speed setter; 5. Distance setter; 6. Status display; 7. Alarm.
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How to Reset Audi Tire Pressure Warning?

Audi tire pressure warning reset method: First, turn on the ignition switch, press and hold the tire pressure monitoring reset button until you hear a "ding" sound, then release it. The tire pressure monitoring system will store the current normal tire pressure data, automatically clear the original data, and finally, the dashboard warning light will turn off, completing the tire pressure reset. Solutions for insufficient tire pressure: If no damage is visible, simply inflate the tire to the normal pressure and reset the tire pressure system; If a puncture is found upon inspection, drive to a tire repair shop promptly for a patch, then reinflate the tire; If the tire pressure warning reappears some time after inflation without any puncture, it might be due to air leakage caused by a deformed wheel rim. It is recommended to check the wheel rim and replace it if necessary. Hazards of low tire pressure: Increased friction coefficient with the road surface, leading to higher fuel consumption; Causes the steering wheel to become heavy and prone to deviation, among other factors detrimental to driving safety.
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What is the normal oxygen sensor voltage?

Normal oxygen sensor voltage is around 1.6 volts. More information about oxygen sensors is as follows: 1. The oxygen sensor is a standard configuration in automobiles, using ceramic sensitive components to measure the oxygen potential in the exhaust pipe of the car. Based on the chemical equilibrium principle, the corresponding oxygen concentration is calculated to monitor and control the combustion air-fuel ratio, ensuring product quality and exhaust emissions meet standards. 2. Oxygen sensors have the advantages of simple structure, rapid response, easy maintenance, convenient use, and accurate measurement. 3. The oxygen sensor can compensate for the air-fuel ratio errors caused by wear and tear of mechanical and fuel injection system components, making it the only "intelligent" sensor in the fuel injection system. 4. The function of the sensor: to determine whether there is excess oxygen in the exhaust gas after engine combustion, i.e., the oxygen content, and convert the oxygen content into a voltage signal transmitted to the engine computer, enabling the engine to achieve closed-loop control targeting the excess air factor.
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What is the difference between major maintenance and minor maintenance?

Major maintenance and minor maintenance differ in the following ways: 1. Basic definitions vary. Minor maintenance: Routine maintenance items to ensure vehicle performance. Major maintenance: Routine maintenance involving oil and oil filter replacement, air filter replacement, and fuel filter replacement. 2. Intervals differ. Minor maintenance intervals: Depend on effective time or mileage. Major maintenance intervals: Follow manufacturer recommendations. 3. Materials used differ.
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Can an automatic transmission car be left in N gear for a long time when parked?

It is not recommended to leave an automatic transmission car in N gear for extended periods when parked. Precautions for parking an automatic transmission car: 1. Never leave an automatic transmission car in N gear when parked. N gear is the neutral gear, and if left in neutral, the car may easily roll and collide with other vehicles or people, potentially causing serious accidents. 2. After parking an automatic transmission car, promptly engage the parking brake and shift the gear to P, also known as the 'parking gear.' 3. After parking an automatic transmission car, carefully observe the terrain of the parking location. If conditions allow, park the car on a relatively flat surface; if conditions do not permit, in addition to engaging the parking brake and shifting to P gear, use stones to block the wheels to minimize the risk of the car rolling.
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Briefly describe the function of the valve train?

The function of the valve train: to open and close the intake and exhaust valves of each cylinder at the right time, so that fresh combustible mixture (gasoline engine) or air (diesel engine) can enter the cylinder in time, and exhaust gas can be discharged from the cylinder in time. During the compression and power strokes, the valves are closed to ensure the sealing of the combustion chamber. More information about the valve train is as follows: 1. The requirements of the valve train are that the structural parameters and form should help reduce intake and exhaust resistance, and the opening time and duration of the intake and exhaust valves should be appropriate, so that intake and exhaust are as sufficient as possible to obtain greater power torque and emission performance. 2. Various valve trains can be divided into two main parts: the valve group and the valve drive group. The valve group includes the valve and its related parts, and its composition is basically independent of the form of the valve train.
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The Bora has a hidden one-touch window function. To enable this feature, you can visit a 4S shop or other professional repair facility to have it activated. Here is some information about the one-touch window function on the Bora: 1. Function: When the owner presses the lock button on the key, all four windows will simultaneously rise. This feature helps the owner stay focused, especially in situations like highway driving or parking in residential areas where manually operating the windows while driving can pose safety risks. 2. Usage: For the driver's side one-touch window, a short press will automatically lower the window completely, and a short pull will automatically raise it to the top.
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