When is the highway toll-free period?

What Does the Motor Oil Grade Mean?

Motor oil grades consist of two parts: classification and viscosity specification. The oil grade usually indicates viscosity and quality. The smaller the number in front, the better the low-temperature fluidity of the oil, representing a lower usable ambient temperature and better protection for the engine during cold starts. The number after "w" is an indicator of the oil's high-temperature resistance, with larger values indicating better protective performance at high temperatures. Motor oil, also known as engine lubricant, serves to lubricate and reduce friction in the engine, assist in cooling, seal against leaks, prevent rust and corrosion, and provide shock absorption. Automotive lubricants are categorized into mineral lubricants, synthetic lubricants, and semi-synthetic lubricants.

8

5

Share

What is the range of the Yudo π3 in kilometers?

Yudo π3 offers three range options: 251 kilometers, 360 kilometers, and 401 kilometers. The Yudo π3 adopts a front-mounted single motor drive system, with MacPherson independent suspension at the front and a torsion beam non-independent suspension at the rear. It features a front-wheel drive layout with electric power steering. The dimensions of the Yudo π3 are 4340mm in length, 1765mm in width, and 1610mm in height, with a wheelbase of 2602mm. It is equipped with a ternary lithium battery and a fixed gear ratio transmission, delivering an output power of 90kW and a torque of 270Nm, positioning it as a compact SUV. The Yudo π3 is available in five color options: Polar White, Flowing Silver, Interstellar Blue, Phantom Red, and Mountain Brown, with the additional choice of a two-tone body.

5

3

Share

Why Does Antifreeze Consume Quickly?

Antifreeze consumes relatively quickly for the following reasons: antifreeze leakage, which may be caused by damage to the container storing the antifreeze or the pipelines, leading to leakage. The full name of antifreeze should be antifreeze coolant, a type of coolant containing special additives, mainly used in liquid-cooled engine cooling systems. Antifreeze has excellent properties such as preventing freezing in winter, boiling in summer, preventing scale and corrosion all year round. Generally, high-quality antifreeze should be replaced once a year, while vehicles with shorter operating times can be replaced every two years or every 30,000 kilometers. If suspended matter, sediment, or discoloration is found in the antifreeze, it should be replaced promptly, and the system should be cleaned.

9

2

Share

How to Solve the Problem of No AUX Port in a Car?

Solutions for cars without an AUX port: Purchase a cigarette lighter to AUX adapter and connect it to the cigarette lighter. The AUX port is an audio input interface that can receive audio signals from electronic devices such as MP3 players, allowing the car's sound system to play music from these devices. It is an additional signal line design. The AUX port establishes a command-line connection between the user and the device, enabling operations that are typically not possible in user mode, such as initialization, restoring default settings, and correcting abnormal user modes.

13

5

Share

What is the tire pressure for the LaCrosse?

The tire pressure for the LaCrosse is between 2.2 and 2.5 bar. In winter, when temperatures are low, a tire pressure of 2.4 bar is suitable. In summer, when temperatures are high, a pressure of 2.3 bar is better, as excessively high tire pressure can lead to blowouts. The level of tire pressure plays a crucial role in the performance and power of the car, so maintaining normal tire pressure is essential in daily use. Owners can install a tire pressure monitoring system, which generally comes in two types: direct and indirect. The LaCrosse is a mid-to-high-end sedan introduced by Shanghai GM. The dimensions of this car are 5005 mm in length, 1858 mm in width, and 1500 mm in height, with a wheelbase of 2837 mm. The LaCrosse comes in three models: the 2.4L Luxury, the 2.4L Elite, and the 3.0L Flagship. The 2.4L version is equipped with a 2.4L all-aluminum four-cylinder engine, delivering a maximum power of 186 horsepower and a peak torque of 225 Nm. The 3.0L version is equipped with a V6 engine, delivering a maximum power of 190 kW and a peak torque of 244 Nm.

3

5

Share

What are the symptoms when the pulley weights of a scooter are damaged?

Scooter pulley weights that are aged or worn out will cause the engine crankshaft to fail to properly lift the belt pressure plate during rotation. After accelerating, the engine speed increases but the acceleration is too slow, resulting in weak driving performance. More information about pulley weights is as follows: 1. Introduction: Pulley weights are one of the rotating components of a scooter. The pulley weights (also called moving weights, which can move radially) are influenced by the engine speed. As the speed gradually increases, the pulley weights are subjected to outward centrifugal force that overcomes the force of the large spring, moving radially along the sliding groove toward the outer edge of the disc. This increases the force that squeezes the axial movement of the moving disc, enlarges the working radius, and reduces the diameter of the driven disc, thereby changing the transmission ratio. 2. Classification into light pulley weights and heavy pulley weights: Lighter pulley weights provide stronger acceleration, requiring less time to reach a certain speed. However, during movement, the engine speed will be higher than usual. If frequently driving in urban areas, this setup is more fuel-efficient. Heavier pulley weights result in poorer power performance during acceleration, slower acceleration, and a longer time to reach high speed. However, when the pulley weights slide to the end of the pulley disc, the inertia is greater, and the engine speed during operation becomes lower, making it more fuel-efficient during prolonged high-speed driving. The heavier the pulley weights, the greater the centrifugal force generated, which shortens the car's acceleration time. However, the instantaneous torque produced on the crankshaft can be excessive, potentially leading to crankshaft fracture in severe cases. If the pulley weights are lighter, the centrifugal force generated will be smaller, resulting in slower acceleration time for the car.

17

2

Share

When is the highway toll-free period?

What Does the Motor Oil Grade Mean?

What is the range of the Yudo π3 in kilometers?

Why Does Antifreeze Consume Quickly?

How to Solve the Problem of No AUX Port in a Car?

What is the tire pressure for the LaCrosse?

What are the symptoms when the pulley weights of a scooter are damaged?

How to Calculate Safe Driving Distance?

What are the body dimensions of the Regal?

How to Set Cruise Control on the LaCrosse?

How Long Does It Take for Alcohol Sprayed in the Car to Evaporate?