How many points are deducted for the vehicle body touching the line when exiting parallel parking?

What are the steps for pressurizing and evacuating a car air conditioning system?

The steps for pressurizing and evacuating a car air conditioning system are: 1. Connect the high and low-pressure hoses to the compressor's high and low-pressure ports respectively, and connect the middle hose to the vacuum pump; 2. Open the high and low-pressure manual valves and start the vacuum pump; 3. Close the high and low-pressure manual valves and observe whether the pressure gauge readings increase; 4. Close the high and low-pressure manual valves and turn off the vacuum pump. Car air conditioning refers to the air conditioning device installed in a vehicle, and its functions are: 1. To cool, heat, ventilate, and purify the air inside the cabin; 2. To provide a comfortable environment for passengers, reduce driver fatigue, and improve driving safety.

8

3

Share

Can Car Antifreeze Prevent Rust?

Car antifreeze can prevent rust. The components of antifreeze are: 1. Calcium chloride in inorganic substances; 2. Methanol in organic substances; 3. Ethanol; 4. Ethylene glycol; 5. Glycerol; 6. Lubricating oil; 7. Pure soft water. The full name of antifreeze is antifreeze coolant, which is a coolant with antifreeze function. It can prevent the coolant from freezing and cracking the radiator or freezing the engine cylinder block when parking in cold winter. The method of replacing car antifreeze is: 1. Open the car hood after the engine cools down; 2. Open the antifreeze tank cap; 3. Lift the vehicle and open the radiator drain plug, drain the old antifreeze and reinstall the drain plug; 4. Lower the car and pour antifreeze into the antifreeze tank.

15

0

Share

What does it mean when the ABS light is on on the car dashboard?

There are multiple states of the ABS light being on, with different causes and solutions for each state. The details are as follows: State 1: ABS warning light stays on (most common). Cause 1: The ABS speed sensor's sensing part is covered by dirt, mud, or other contaminants, affecting the sensor's ability to detect the corresponding speed signal. This prevents the ABS computer from determining the vehicle speed and the wheel slip rate, thus failing to issue appropriate commands to adjust braking. Solution: Clean the dirt from the speed sensor and adjust the gap between the speed sensor and the signal ring to restore normal function. Cause 2: Loose connections between system lines or poor contact of the ABS relay result in poor signal quality, causing system failure. Solution: Check the line connections and reconnect any loose parts. State 2: ABS warning light intermittently turns on but goes off when accelerating. Cause: When multiple vehicle electrical devices are in use, the battery voltage drops below 10.5V. As the engine speed increases, the voltage rises, and the ABS light turns off. The ABS system power supply voltage is too low, possibly due to poor terminal contact or grounding issues. Solution: Check the battery's specific gravity; inspect the charging system; examine the power supply (e.g., voltage relay or poor power contact). State 3: ABS warning light stays on after engine start and only turns off when the engine is turned off (IGFF). Cause: Poor grounding contact of the ABS hydraulic valve body; poor electrical connection of the ABS hydraulic valve body; ABS computer failure. Solution: Loosen and then retighten the grounding screw of the hydraulic valve body, cleaning the contact surface if necessary; check if the connector gap has widened; replace the ABS or ABS/ASR computer. State 4: ABS warning light turns on during high-speed driving. Cause: At high speeds, the ABS computer detects a significant difference between the rear and front wheel speed signals; incorrect tire or wheel rim specifications. Solution: Refer to the vehicle's tire and wheel rim specifications, as indicated on the label near the fuel tank cap. State 5: ABS warning light intermittently turns on. Cause: Improper adjustment of the brake light switch; poor internal contact of the brake light. Solution: Start the engine, press the brake pedal, push the brake switch linkage down with your finger, then release the brake pedal to complete the self-setting position; replace the brake light switch. If the ABS warning light is on, it is recommended not to continue driving. The ABS light indicates a fault in the vehicle's anti-lock braking system. During emergency braking, if the wheels lock up, the vehicle may skid uncontrollably, preventing the driver from slowing down or adjusting the vehicle's trajectory, posing significant safety risks.

1

3

Share

How to Remove the Steering Wheel of a Skoda Octavia?

The method to remove the steering wheel of a Skoda Octavia is: 1. Open the cover in the center of the steering wheel to expose the fixing screw; 2. Loosen the screw using a socket wrench. The steering wheel is connected to the steering shaft via splines, converting the force applied by the driver on the steering wheel's edge into torque, which is then transmitted to the steering shaft. The Skoda Octavia is a compact sedan with a 5-door, 5-seat hatchback body structure. Its dimensions are: length 4659 mm, width 1814 mm, height 1460 mm, wheelbase 2686 mm, fuel tank capacity 55 liters, and trunk capacity ranging from 590 to 1580 liters.

11

0

Share

How Many Cylinders Does the Mazda 3 Axela Have?

The Mazda 3 Axela is a 4-cylinder vehicle, belonging to the compact car category. Taking the 2020 Mazda 3 Axela Manual Zhimei Edition as an example, it is equipped with a 1.5L naturally aspirated engine, delivering a maximum horsepower of 117 hp, a maximum power of 86 kW, and a maximum power speed of 6,100 rpm, paired with a 6-speed manual transmission. The 2020 Mazda 3 Axela Manual Zhimei Edition features a 4-door, 5-seater sedan body structure, with dimensions of 4,662 mm in length, 1,797 mm in width, and 1,445 mm in height, a wheelbase of 2,726 mm, and a fuel tank capacity of 50 liters.

3

1

Share

How to Reset the Maintenance Light on a BMW X1?

Methods to reset the maintenance light on a BMW X1: 1. With the car only powered on, press and hold the reset button at the bottom left of the dashboard until relevant maintenance information appears in the middle of the dashboard; 2. Press the reset button once to switch to the maintenance information you want to reset; 3. Press and hold the reset button until a pop-up appears asking if you want to reset; 4. Continue holding the reset button until another pop-up appears showing that the information is being reset with a progress bar below; 5. Wait for the reset to complete, and the progress bar finishing indicates the reset is done, meaning the light is cleared. The dimensions of the 2019 new BMW X1 model are 4565mm in length, 1821mm in width, and 1620mm in height.

6

0

Share

How many points are deducted for the vehicle body touching the line when exiting parallel parking?

What are the steps for pressurizing and evacuating a car air conditioning system?

Can Car Antifreeze Prevent Rust?

What does it mean when the ABS light is on on the car dashboard?

How to Remove the Steering Wheel of a Skoda Octavia?

How Many Cylinders Does the Mazda 3 Axela Have?

How to Reset the Maintenance Light on a BMW X1?

How to Use the Auto Start-Stop Function in Highlander?

Is the Volkswagen Touran turbocharged?

How to Start the Atenza?

What are the body dimensions of the Buick LaCrosse?