What are the types of automotive fuses?

How to Replace the Key Battery for an Older Mercedes-Benz SLK280?

There is a button on the back of the key. Press this button and slide the back cover of the key forward to open it. The battery is located in the slot nearby. Below is relevant information for replacing the key battery of an older Mercedes-Benz SLK280: 1. During the replacement process, pay close attention to the battery model. Most Mercedes key batteries use the 3V-CR2025 model. 2. The lifespan of a Mercedes key battery is generally two years, while the original factory battery can last up to six years. When the key battery is low, the Mercedes vehicle will alert us in two ways: one is by displaying a 'Replace Key Battery' message on the dashboard when the ignition switch is pressed. 3. The second method is by pressing the lock or unlock button on the key. If the indicator light on the key dims or fails to illuminate, it's time to replace the key battery.

10

3

Share

Where is the Mazda 3 Radio Fuse Located?

The Mazda 3 radio fuse is located inside the fuse box under the cover panel to the left of the driver's left foot. Below is relevant information about fuses: I. Function of a fuse: A fuse will automatically melt and cut off the current when abnormal current rises to a certain level and temperature, thereby protecting the safe operation of the circuit. II. Steps for replacing a fuse: 1. Turn off the vehicle and all power sources before inspection. 2. Locate the corresponding position, use a small pry bar to open the protective cover, and you can see component information on the inner side of the fuse box. 3. Use a test pen to check whether the fuse is blown. If it is damaged, remove it with tweezers and replace it. 4. Ensure that the current and other parameters of the new fuse match those of the original fuse. 5. After replacement, check whether the corresponding component is functioning. If not, promptly send it to a repair shop for inspection.

19

3

Share

How to Replace the Brake Pads on a Prado?

The method for replacing the brake pads on a Prado is as follows: 1. Connect the vehicle to an onboard computer, then select the 'Open Rear Wheel Brake Caliper' option on the computer; 2. Loosen the two screws of the brake caliper. If the caliper does not fully retract, use a flathead screwdriver to manually pry it open slightly; 3. Remove the brake caliper cover and install the new brake pads with the side marked with text facing outward; 4. After installing the new brake pads, select the 'Close Rear Wheel Brake Caliper' option in the onboard computer settings interface. The Prado is a mid-to-large-sized 5-door, 7-seat SUV with dimensions of 5010mm in length, 1885mm in width, and 1890mm in height, a wheelbase of 2790mm, and is equipped with a 3.5L naturally aspirated engine, delivering a maximum power of 206 kW and a maximum torque of 365 Nm.

19

5

Share

Which country is the Excelle from?

Excelle is a joint production between the United States and China, introduced by SAIC-GM as a premium mid-size sedan. Its exterior design blends fashion and dynamism, incorporating coupe-inspired design elements. It features a sporty silhouette with a forward-shifted cabin and a descending roofline at the rear. The arc-shaped roofline flows seamlessly from the front to the rear, creating a highly sculpted body contour. The Excelle is a compact car with dimensions of 4609mm in length, 1798mm in width, and 1464mm in height, with a wheelbase of 2640mm. It is equipped with either a 1.5L naturally aspirated engine or a 1.3T turbocharged engine, delivering maximum power outputs of 83kw and 120kw respectively, paired with a 6-speed automatic transmission.

10

2

Share

What is the working principle of the idle control valve?

Working principle of the idle control valve: The idle control valve is powered by the ignition switch. As long as the ignition switch is turned to the ON position, the idle control valve is energized, and the engine computer controls its circuit grounding. When the engine's operating parameters deviate from normal values, this valve is used to adjust the idle speed. The idle speed is adjusted by controlling the amount of air bypassing the throttle body. After the engine starts, the idle control valve opens for a period of time to increase the air intake, raising the engine idle speed by approximately 150r/min to 300r/min. Additional information: 1. When the engine coolant temperature is low, the idle control valve opens to achieve an appropriate fast idle. The engine computer controls the position of the idle control valve plunger by varying the signal strength sent to the idle control valve based on different coolant temperatures. The stepper motor-type idle control valve is currently the most widely used idle control device in the world. It adjusts the opening of the bypass air passage in the automotive electronic fuel injection system, thereby regulating the bypass air volume to achieve the desired target engine speed. 2. Structural principle: It consists of a rotor made of permanent magnets, a stator composed of excitation coils, and components such as a feed screw that converts rotational motion into linear motion and a valve. It uses the step signal provided by the system for conversion control, allowing the rotor to rotate forward or reverse, thereby enabling the valve core (screw) to extend or retract to adjust the cross-section of the bypass air passage, stabilizing the idle speed and achieving the ideal idle speed.

14

0

Share

How to Activate Hill Start Assist in a Car?

To activate the hill start assist in a car: The hill start assist system is typically integrated with the Electronic Stability Program (ESP). If the ESP on your vehicle remains activated, the hill start assist function will also be enabled by default. When starting on a steep or slippery slope, if the driver switches from the brake pedal to the accelerator pedal, the vehicle may roll backward, making it difficult to start. To prevent this, the hill start assist control temporarily applies brakes to all four wheels to prevent the vehicle from rolling back. Hill start assist is a function derived from the ESP system, designed to keep the vehicle stationary for a few seconds after the driver releases the brake pedal without using the handbrake during a hill start. This allows the driver to easily move their foot from the brake pedal to the accelerator pedal, preventing the vehicle from rolling back and avoiding potential accidents.

9

4

Share

What are the types of automotive fuses?

How to Replace the Key Battery for an Older Mercedes-Benz SLK280?

Where is the Mazda 3 Radio Fuse Located?

How to Replace the Brake Pads on a Prado?

Which country is the Excelle from?

What is the working principle of the idle control valve?

How to Activate Hill Start Assist in a Car?

Does a 6-year-old car need to undergo on-site inspection?

What are the body dimensions of the Fengjun 7?

What are the precautions for driving in summer?

How to remove the CD panel of Lavida?