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What are the reasons for the trunk lid opening by itself?

1 Answers
DiMadeline
07/29/25 11:54am
Reasons for the trunk opening automatically: 1. Problem with the lock block; 2. The latch is too dry and lacks lubrication; 3. The pull rod inside the handle is not engaged; 4. The trunk switch is damaged. The trunk door lock is controlled by the computer board, which opens the door lock through button touch control. Some high-end models can open the trunk from the central control area. Like electric doors, an electric trunk refers to the trunk being opened and closed electrically, and some cars also have a remote control function. To open the trunk, simply press the button in the car, and the trunk will open by itself. To close the trunk, press the close button inside the trunk, and the trunk will close by itself.
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What should be noted when replacing new tires?

When replacing new tires, pay attention to the following: 1. Distinguishing between new and old tires: There will be significant differences between new and old tires when placed together, with noticeable distinctions in tread depth and rubber color. The small particles on new tires and the tread hairs on the sidewalls indicate that the tire is brand new. 2. Tire orientation: The so-called tire orientation refers to which side should face outward. When installing the tire, ensure the side with numbers faces the front of the wheel hub. 3. Choosing the right tire: The specifications of the tire should match the other tire on the same axle. 4. Replace the valve stem as well: After replacing the tire, the aging cycles of the new tire and the valve stem differ, which may lead to issues with the valve stem. Therefore, replace the valve stem along with the tire. 5. It is recommended to perform a four-wheel alignment, specifically front wheel alignment, when installing new tires. This includes four items: caster angle, kingpin inclination angle, camber angle, and toe angle.
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How to Install Car Door Sill Plates?

Stainless steel welcome pedals are exquisitely crafted and rust-resistant, adding a three-dimensional and eye-catching appeal to your vehicle. Made from high-quality stainless steel through mold manufacturing, these pedals feature a smooth and glossy surface. They are easy to install and provide effective protection against collisions and scratches. Each sill plate is embossed with the vehicle's logo, ensuring a perfect match with your car. They not only protect your car's door sills from damage but also enhance its overall appearance.
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What are the reasons for Mercedes-Benz air suspension failure?

Mercedes-Benz air suspension failures are generally caused by leaks in the air suspension system or its connecting components; various sensor failures such as body height sensors and acceleration sensors; damaged pneumatic shock absorbers; air compressor malfunctions; or faults in the air suspension control unit/system power circuit. Working principle of air suspension: The air suspension system mainly consists of a control computer, air compressor, pressure storage tank, pneumatic front and rear shock absorbers, and an air distributor. Functions of air suspension: Body level control, body level adjustment, and ADS function work by using the air compressor to generate compressed air, which is then delivered to the air chambers of the springs and shock absorbers. Height sensors are installed near both front and rear wheels. Based on the output signals from these height sensors, the vehicle's computer determines changes in body height and controls the compressor and exhaust valves to compress or extend the springs, thereby achieving shock absorption effects and altering the vehicle's height.
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What are the precautions for spark plug installation?

Precautions for installing and replacing spark plugs: When removing the high-voltage distributor wires, mark each cylinder's position to avoid confusion. Use a spark plug socket to remove the spark plugs one by one. During removal, check for external debris such as leaves or dust and ensure thorough cleaning. Methods to determine if a spark plug is damaged: After removing the spark plug, observe its condition based on the following appearance colors. A normal spark plug's insulator skirt and electrodes should appear gray-white, gray-yellow, or light brown. A properly functioning spark plug has a reddish-brown insulator skirt, an electrode gap between 0.8-0.9mm, and no signs of electrode burn. If the spark plug is contaminated with oil or deposits but not damaged, it can continue to be used after cleaning. If the spark plug is severely damaged—showing signs of blistering, black streaks, cracks, or melted electrodes—identify the cause of the damage, resolve the issue, and replace the spark plug. Additionally, if the spark plug appears black as if smoked, it indicates incorrect heat range selection, a rich air-fuel mixture, or oil leakage.
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What to do if the ETC is not responding?

The solutions for an unresponsive ETC are: 1. Do not drive too fast when passing through the ETC lane; 2. Check if the ETC device has become loose, fallen off, or been self-disassembled, causing the anti-tamper switch to pop out, and reset all data if necessary; 3. Charge the ETC device; 4. Verify if it is the correct ETC card for the vehicle. Additional information: The installation method for ETC is: 1. Inspect the ETC card and OBU for any damage, press the anti-tamper button on the OBU, a red light will briefly illuminate, and the OLED screen will display "Please insert card," indicating the device is functioning properly; 2. Clean the front windshield, ensuring the glass surface is dry, peel off the adhesive backing of the OBU, attach it to the installation position, and press firmly for 2 to 3 minutes; 3. Insert the ETC card with the front facing the driver and the back facing the windshield, inserting the chip into the device.
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What causes an Audi A6L to roll back on a slope?

The reason for rolling back is that the clutch contact point is not lifted enough (the clutch is lifted too low), or the handbrake is released without giving enough throttle (the car's idle speed is too low to start the vehicle). Introduction to the Audi A6L: The Audi A6L is the first Audi model to enter the Chinese market, with its predecessor being the third-generation Audi 100 (code-named C3) introduced in 1988. The Audi A6L is a vehicle series developed by FAW-Volkswagen Audi based on the German new A6 and serves as the successor to the A6. Power of the Audi A6L: The new A6L offers a choice of high and low power 2.0T inline four-cylinder engines and a 3.0T V6 engine. The 2.0T models are equipped with a 12V mild hybrid system, with the 40TFSI model delivering a maximum power of 140 kW (190 PS) and a peak torque of 320 N·m.
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