Does Winter Increase Fuel Consumption?

Should You Turn Off the Air Conditioning Before Turning Off the Car?

You should turn off the air conditioning before turning off the car for the following reasons: 1. If you don't turn off the air conditioning before shutting down the engine, the starter motor will have to handle both the engine and the air conditioning system during the next startup, increasing the load and potentially damaging the vehicle. 2. Turning off the engine without first turning off the air conditioning can cause water vapor to condense on the evaporator, leading to bacterial growth and unpleasant odors in the air conditioning system. It is recommended to turn off the air conditioning before shutting down the engine and wait for two to three minutes after starting the car to allow the engine to be properly lubricated before turning on the air conditioning again. During the break-in period of a car, the power supply system, including the motor and battery, may not be very stable, and failing to turn off the air conditioning can indeed lead to faults due to excessive voltage.

5

4

Share

What does Mercedes coupe mean?

Coupe is derived from the French word coupé, which evolved from couper, meaning a two-seater, four-wheeled carriage. Later, Coupe became synonymous with fixed-roof two-seater or 2+2 sports cars. In the 1950s, convertible sports cars were sometimes referred to as convertible Coupes, but since the 1960s, Coupe has been specifically used to denote fixed-roof models. Below is an introduction to Mercedes-Benz cars: 1. Brand Introduction: Mercedes-Benz is a world-renowned luxury car brand, considered one of the most premium automotive brands globally, praised for its perfect technical level, rigorous quality standards, innovative capabilities, and a series of classic coupe models. 2. Founding History: Mercedes-Benz is a well-known German automotive brand established in 1900, headquartered in Stuttgart, founded by Karl Benz and Gottlieb Daimler. Mercedes-Benz is famous worldwide for its high-quality, high-performance automotive products. In addition to luxury cars, Mercedes-Benz is also one of the most famous manufacturers of buses and heavy-duty trucks in the world.

11

3

Share

What Does the Headlight Symbol Look Like?

The headlight primarily includes low beam and high beam. The low beam symbol is green with the light direction downward, while the high beam symbol is blue with the light direction straight ahead. Many people mistakenly believe that headlights only refer to the low beam, which is not entirely accurate. In fact, car headlights mainly consist of both low beam and high beam. Regarding the use of headlights, the requirements are to provide adequate illumination while avoiding dazzling oncoming drivers. Therefore, the following points should be noted when using headlights: 1. Keep the headlight lens clean, especially during rain or snow, as dirt can reduce headlight performance by up to 50%. Some vehicle models are equipped with headlight wipers and washers. 2. When two vehicles meet at night, both should switch from high beam to low beam when they are 150m apart to ensure driving safety. 3. To maintain optimal headlight performance, the headlight beam should be inspected and adjusted after replacing the headlight or every 10,000 km of driving. 4. Regularly check the bulbs, wiring sockets, and grounding for oxidation or looseness to ensure good contact and reliable grounding. Loose connections may cause current surges when turning on the headlights, leading to filament burnout, while oxidized connections can reduce bulb brightness due to increased voltage drop.

16

3

Share

What is the ETC system on highways?

Highway ETC (Electronic Toll Collection) translates to electronic toll collection, which is a non-stop toll collection system. Highways are equipped with one or more ETC lanes. ETC toll collection method: Through dedicated microwave short-range communication between the on-board RFID tag installed on the vehicle's windshield and the microwave antenna on the ETC lane at the toll station, the system uses network technology to perform back-end settlement processing with the bank, thereby achieving the purpose of vehicles passing through bridge toll stations without stopping to pay tolls. Banks install this type of ETC express card with a post-payment system. The conditions for applying for ETC are as follows: Provide the original and photocopy of the vehicle owner's valid ID card and vehicle registration certificate. The photocopy of the driving license must include the page with the most recent annual inspection stamp; Postal credit card application form. This credit card is used to bind the ETC card. After obtaining the credit card, swipe it twice and use the POS receipt to collect and install the ETC on-board device for free at designated postal outlets. No fees are charged during this process; Applicants must be between 18 and 60 years old; Own a vehicle under personal name. Below are the precautions for installing ETC: Do not obstruct the view. It is best to install it behind the rearview mirror: Many car models have a large inclination angle of the windshield, resulting in a smaller driver's field of vision. If this is not considered during ETC installation, it will increase the driver's blind spots. Install it on the right side behind the rearview mirror to avoid obstructing the view. Do not affect charging: The ETC electronic tag consumes power but generally does not require charging or battery replacement because it has a solar panel on the back that can charge itself. Therefore, during installation, avoid the black areas on the windshield and positions that may block the solar panel. Do not remove it arbitrarily once installed: The button in the middle of the adhesive is an anti-removal lever connected to a switch. After the electronic tag is installed, the windshield will press the anti-removal lever in. If it is removed arbitrarily, the lever will pop out and trigger the switch, locking the electronic tag and rendering it unusable. You will need to visit an ETC service point to unlock it. This is designed to prevent multiple vehicles from sharing one device. Precautions for using ETC: The ETC transaction sensing range is 8 meters. To prevent the ETC device of the vehicle in front from malfunctioning, maintain a distance of more than 10 meters from the vehicle in front to avoid automatic sensing and paying for the vehicle ahead. The recognition speed for ETC lane passage is 20 kilometers per hour. If the speed is too fast, the vehicle device information cannot be read, resulting in failed toll deduction. When using a debit card to bind ETC, insufficient balance will also cause toll deduction failure.

19

0

Share

Why is the reversing image upside down?

This issue occurs when the front-view camera is mistakenly installed at the rear of the vehicle instead of the reversing camera. The reversing image system, also known as parking assist system, reversing visual system, or vehicle monitoring system, may display upside-down images for the following reasons: 1. For portable navigation devices, tap the four corners of the screen in reversing image mode to adjust. 2. For in-car DVD navigation systems, disable the camera mirroring option in the reversing camera settings within the navigation setup. 3. The front-view camera has been incorrectly installed at the rear. 4. The reversing camera chip is damaged causing image inversion, requiring replacement.

14

1

Share

What Issues Can Arise from Carbon Deposits in the Engine?

The following issues may arise from carbon deposits in the engine: 1. Reduced engine performance and power output; 2. Increased exhaust emissions; 3. A noticeable lack of power and sluggishness during driving, particularly evident when overtaking, with slower acceleration response, significantly different from when the car was new; 4. Pungent exhaust fumes and emissions exceeding standards. Below are two concepts related to carbon deposits: 1. Engine carbon deposits: A charred substance formed from unsaturated olefins and colloids in fuel under high temperatures during engine operation. 2. Carbon deposits in electrical discharge machining (EDM): Carbon deposits in EDM should be avoided as much as possible, especially in precision mold processing, where they can have a fatal impact.

1

3

Share

Does Winter Increase Fuel Consumption?

Should You Turn Off the Air Conditioning Before Turning Off the Car?

What does Mercedes coupe mean?

What Does the Headlight Symbol Look Like?

What is the ETC system on highways?

Why is the reversing image upside down?

What Issues Can Arise from Carbon Deposits in the Engine?

What does the yellow engine warning light mean?

What does RES/+ mean on a car?

How to Start a Motorcycle Without a Key?

Is the C2 license test easy?