How to Remove Cement Slurry from a Car?

What Causes White Smoke from a Car's Exhaust Pipe in Winter?

White smoke is actually just water vapor attached to the inner wall of the exhaust pipe muffler. Since the exhaust gas coming out of the pipe is at a high temperature, this hot water vapor rapidly cools when expelled from the exhaust pipe, quickly condensing into visible small water droplets. Here are the sources of water vapor in the exhaust pipe: 1. In most cases, it comes from the air. 2. Impure fuel containing a relatively high amount of water vapor. 3. A dirty air filter causing insufficient air intake. 4. Older carburetor-equipped family cars with carburetor malfunctions. 5. Modern fuel-injected cars without carburetors where the oxygen sensor in the exhaust pipe is contaminated, failing to provide the correct information to the engine control unit. 6. Damaged cylinder head gasket or cylinder liner allowing coolant to enter the cylinder. 7. Vehicles frequently driven short distances where moisture in the exhaust pipe cannot be fully expelled in time, leading to water accumulation.

17

3

Share

Where is the child safety lock on the Volkswagen Lavida?

Lavida's child safety lock is located on the side of the rear door and is an orange-red button. The following is a related introduction to the child safety lock: 1. The rotary child safety lock requires the use of a key (or key-shaped object) inserted into the corresponding hole to rotate the knob switch for locking and unlocking operations. Below is how to operate the rotary child safety lock: (1) Activation: Insert the mechanical key into the hole and rotate it in the direction indicated by the connector (usually clockwise) until it is tightened. (2) Deactivation: Rotate the keyhole in the opposite direction to unlock the child lock. 2. The toggle-type child safety lock is more convenient to use. Below is how to operate the toggle-type child lock: (1) Activation: Push the toggle lever (in the direction of the arrow) to complete the locking operation of the child safety lock. (2) Deactivation: Push the toggle lever all the way in the opposite direction of the arrow to deactivate the child safety lock.

2

3

Share

Can 84 Disinfectant Be Used for Vehicle Disinfection?

84 disinfectant can be used for interior disinfection in vehicles, but car owners must ensure it is diluted before wiping the car's interior. Additionally, it is advisable to wear rubber gloves when using 84 disinfectant to avoid corrosion from the solution. While cleaning the interior, it is recommended to keep the car doors open and ventilate the area for some time after wiping to eliminate the odor. Below are some relevant details about 84 disinfectant: 1. 84 disinfectant is a commonly used disinfectant in daily life, primarily composed of sodium hypochlorite, which has strong disinfecting properties and noticeable bleaching effects. If car owners intend to use 84 disinfectant for cleaning the car's interior, they must follow the dilution ratio specified on the product packaging and mix it with water beforehand. 2. If 84 disinfectant is not properly diluted, the resulting solution can be corrosive and may damage the car's interior. Using undiluted 84 disinfectant on the interior can leave white stains, and for vehicles with metal-based interior materials, it may cause discoloration or oxidation.

2

1

Share

What is the correct method to measure engine oil?

Here is the correct way to check engine oil: 1. Smell test. Pull out the dipstick and smell it closely. If there is a strong sour odor, it indicates the oil has deteriorated and should be changed. 2. Rubbing method. Rub the extracted old oil repeatedly between your thumb and forefinger. Good-quality oil will feel lubricated, produce little residue, and have no friction. If you feel impurities, poor viscosity, or even a gritty sensation, it should be changed. 3. Color test. Take a clean white filter paper (or a good-quality tissue), drip a few drops of old oil on it, and observe the color after the oil has seeped through. Good-quality oil will have no powder, feel dry and smooth to the touch, and show a clear yellow infiltration zone. If it appears dark brown or has impurities, it should be changed. 4. Light test. Hold the dipstick at a 45-degree angle under light and observe the oil droplets. If you can clearly see no residue in the droplets, the oil is still good. If there is a lot of residue, it should be changed.

3

4

Share

How to Reset the Maintenance Light on an Alphard?

Hold down the mileage adjustment button, then turn off the ignition, and power on again. The maintenance light will flash and disappear once the reset is complete. Below are the relevant steps for resetting the maintenance light: 1. The maintenance light is a reminder function set by the manufacturer to alert the owner for scheduled maintenance at specific mileage or time intervals. It appears as an indicator on the instrument panel or screen. Resetting the maintenance light means clearing the reminder after servicing, essentially resetting the information. The SERVICE indicator on the instrument panel display signals the maintenance cycle. When the ignition is in the ON position, the SERVICE indicator flashes, and it disappears after starting the engine, indicating that the vehicle requires maintenance. 2. First, press the INFO button on the Toyota Alphard's center console to enter the information interface. On the display, select the maintenance information option, then click the engine oil option. Use the - button to reduce the maintenance interval from 10,000 km to 2 km, then select 'Reset Driving Distance,' and use the + button to reset it back to 10,000 km.

11

0

Share

How to Use the Driving Modes of the Patrol?

The usage methods of the Patrol's driving modes are as follows: 1. AUTO Automatic Mode: When the knob is switched to AUTO automatic mode, the vehicle's four-wheel drive and chassis suspension system will be controlled by the onboard computer. The onboard computer will automatically select the driving mode based on the real-time driving conditions of the vehicle. 2. 4H High-Speed Four-Wheel Drive Mode: When engaging in deep off-roading, many modes require manual control, the first of which is 4H, the high-speed four-wheel drive mode. It is suitable for driving on ordinary roads or highways, as well as on slippery, rainy, or snowy surfaces. The power distribution in high-speed four-wheel drive is 50:50, which is a normal four-wheel drive mode. 3. 4L Low-Speed Four-Wheel Drive Mode: Turning the knob further down activates the 4L mode, the low-speed four-wheel drive mode. In this mode, the power output ratio and torque both increase, with the maximum power output ratio reaching 1:99. The increased burst power helps the vehicle escape difficult situations but also increases fuel consumption. Except during deep off-roading, it is generally not recommended to use this mode. 4. Rear Differential Lock: Similar to the Land Cruiser's central differential lock and rear differential lock, the Patrol's 'two locks' consist of a multi-plate clutch-type limited-slip differential that replaces the central differential lock function and a rear differential lock. The rear differential lock can effectively lock the limited slip between the two rear wheels, providing strong escape capability.

2

3

Share

How to Remove Cement Slurry from a Car?

What Causes White Smoke from a Car's Exhaust Pipe in Winter?

Where is the child safety lock on the Volkswagen Lavida?

Can 84 Disinfectant Be Used for Vehicle Disinfection?

What is the correct method to measure engine oil?

How to Reset the Maintenance Light on an Alphard?

How to Use the Driving Modes of the Patrol?

Is the BMW 5 Series with 4WD a Good Choice?

How to Apply Car Wax?

How to Replace the Battery in a Toyota Electronic Key?

How to Replace the Battery of a Geely Emgrand Car Key?