What to do if ETC is deducted without reason?

Reasons for Low Urea Pump Pressure in Mercedes-Benz GL350

Cause Analysis: Before urea injection, the urea pump builds up the urea pressure to 9bar, which is monitored by the pressure sensor inside the urea pump. After the engine starts, if the urea pump repeatedly attempts to build pressure but still fails to reach 9bar, this fault will be reported. The common causes of this fault include insufficient urea level, reversed urea pipeline, blocked or leaking suction pipe, pressure pipe leakage, etc. In rare cases, it may be due to a urea pump failure. Solutions and Steps: 1) Check if the urea level is sufficient; 2) Check if the urea pipeline is incorrectly connected or reversed; 3) Check if the suction pipe is bent or blocked; 4) Check for any signs of leakage in the suction pipe or pressure pipe; 5) If no issues are found above, inspect the urea pump interface for obvious blockages; 6) After replacing the urea pump, the fault is resolved, and normal urea pressure is built. Conclusion: Generally, incorrect connection, blockage, or leakage of the urea pipeline can easily cause this fault. However, in this case, the fault was due to a mechanical failure inside the urea pump, which prevented it from properly sucking urea, leading to pressure build-up failure.

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How to Reset the Maintenance Light on a Buick LaCrosse?

Here is the method to reset the maintenance light on a Buick LaCrosse: 1. Turn the ignition switch to the ON position without starting the car. 2. Navigate to the oil life menu interface on the instrument cluster display. When the remaining oil life is low, the message 'Change Engine Oil Soon' will appear on the display. 3. Press the '>' button on the center controller, then the display will show 'Reset.' Press the '√' (OK/Confirm) button to reset the oil life to 100%. 4. Turn off the ignition switch to complete the reset. Here is some related information about the maintenance light: 1. The maintenance light is a reminder function set by the manufacturer to alert the owner to perform maintenance at certain mileage or time intervals. It appears in the form of a dashboard or screen message or indicator light. Resetting the maintenance light means clearing the reminder message after maintenance is completed, essentially resetting the information. 2. The original purpose of the maintenance light is to remind the owner to perform maintenance as soon as possible. Therefore, the owner should promptly visit a 4S shop for maintenance. After maintenance, the 4S shop will use a diagnostic tool to reset the maintenance light.

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How to open the electric door inside the GL8?

The automatic door switch of the GL8 is located next to the sunroof switch on the ceiling, and there is also an automatic door switch on the front passenger side B-pillar. Additionally, there is a switch on the Buick GL8's remote key that can open and close the automatic door. To operate it, simply press any one of these switches. Below is an introduction to the Buick GL8: 1. The GL8 is an MPV model under the Buick brand. The Buick GL8 is equipped with a 2.0-liter turbocharged engine across the lineup, with a maximum power output of 191 kW and a maximum torque of 350 Nm. This engine can deliver its maximum power at 5,400 rpm and its maximum torque between 2,000 and 5,000 rpm. 2. Turbocharged engines offer better fuel efficiency and can deliver maximum torque at lower rpm, making this power output characteristic more suitable for urban driving. It is paired with a 6-speed automatic transmission (6AT), which provides excellent shift smoothness and reliability. 3. The Buick GL8 uses a MacPherson independent suspension for the front suspension. The standard version uses a torsion beam non-independent suspension for the rear, while the ES version employs a multi-link independent suspension for the rear. MPVs use a torsion beam rear suspension to lower the height of the trunk floor, thereby increasing trunk space.

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Does the Mercedes-Benz E300L have tire pressure monitoring?

The Mercedes-Benz E300L is equipped with tire pressure monitoring, and the tire pressure information can be viewed through the tire pressure check module in the middle of the dashboard. According to the international GBT2978-2008 standard, the standard tire pressure is 2.4-2.5bar. In winter, the tire pressure should be adjusted slightly higher by about 0.2bar based on the standard tire pressure. In summer, the tire pressure can generally be about 0.1bar lower than the standard to avoid tire blowouts due to high temperatures. There are generally three reasons for abnormal tire pressure: Abnormal tire pressure: The system will usually alert when the pressure is below 1.8bar or above 3.0bar. In this case, a tire inspection and pressure adjustment are required. Tire pressure monitoring not reset: After inflating the tires, if the tire pressure is not reset in time, the system will still record the previous data, causing the tire pressure monitoring indicator to light up. Simply performing a tire pressure reset will resolve this issue. Damaged tire pressure sensor: The tire pressure sensor, which is directly installed inside the tire and connected to the tire inflation valve, monitors the tire pressure. If the sensor is damaged during driving, it can also cause the tire pressure warning light to illuminate. In case of sensor damage, the only solution is to replace it with a new one.

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What Happens If Windshield Washer Fluid Is Accidentally Added to Coolant?

A small amount will not have much impact. The composition of coolant is: 40% ethylene glycol + (anti-corrosion, anti-freeze, anti-scale, anti-rust) additives + 60% ion-softened water. The composition of windshield washer fluid is: 30% ethanol or (methanol) + cleaning agents + 70% softened water. The freezing point of the coolant will only be slightly reduced, which will not affect driving. There is no need to replace it afterward. During driving, the trace amounts of ethanol or (methanol) in the coolant will naturally evaporate, causing no side effects. At most, the different dyes in the windshield washer fluid and coolant may make the color look less appealing. However, if 500ml of windshield washer fluid is added, problems may arise. This is because the windshield washer fluid not only lowers the freezing point of the coolant but also reduces its boiling point. Typically, coolant has a boiling point of around 105°C. If too much windshield washer fluid is mixed in, its lower boiling point becomes an issue.

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What Else Should Be Added Besides Fuel for a New Car?

In addition to timely refueling, a new car also requires adding water to the radiator and brake fluid. New Car Break-in Period Maintenance: Do not warm up the engine at idle speed. Modern fuel-injected engines are equipped with temperature compensation control systems that ensure normal operation even when the engine is cold. Prolonged warming up of a fuel-injected engine only unnecessarily increases fuel consumption. After starting the car, allow it to warm up while stationary until the water temperature reaches the appropriate level for driving. During driving, choose smooth roads, maintain a moderate speed, apply gentle throttle, and avoid sudden acceleration and braking as much as possible. Precautions for Refueling a New Car Refuel promptly. Insufficient fuel can prevent the fuel pump from cooling properly, accelerating its aging. Choose high-quality fuel stations, preferably state-owned ones. Pay attention to the fuel grade; always use the grade specified, which is usually indicated on the fuel tank cap. Avoid overfilling the tank to reduce trips to the gas station; stop at the first click of the fuel pump. Refuel in the early morning or evening when temperatures are lower, which helps reduce gasoline evaporation.

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What to do if ETC is deducted without reason?

Reasons for Low Urea Pump Pressure in Mercedes-Benz GL350

How to Reset the Maintenance Light on a Buick LaCrosse?

How to open the electric door inside the GL8?

Does the Mercedes-Benz E300L have tire pressure monitoring?

What Happens If Windshield Washer Fluid Is Accidentally Added to Coolant?

What Else Should Be Added Besides Fuel for a New Car?

What are the steps for replacing a half-shaft oil seal?

What is the reason for the BMW 740 reporting an invalid rear axle steering angle signal?

Do I Need to Press the Accelerator When Cruise Control Is On?

Why does the position light stay on when the automatic lights are turned on?