What is the purpose of Geely wiper maintenance mode?

What is the method for shifting gears in an automatic transmission while waiting at a red light?

Automatic transmission shifting methods while waiting at a red light are: 1. For red lights under 30 seconds, the driver can simply keep their foot on the brake; 2. For red lights between 30 seconds and 1 minute, shift to N gear and engage the handbrake; 3. For red lights over one minute, shift to P gear and engage the handbrake. The gears in an automatic transmission include: 1. P (Parking gear, starting gear); 2. R (Reverse gear); 3. N (Neutral gear); 4. D (Drive gear); 5. L (Low gear); 6. S (Sport mode); 7. OD (Overdrive gear). The correct usage methods for an automatic transmission are: 1. The vehicle can only be started in P or N gear. To shift out of P gear, the brake must be pressed. Turn on the power, press the brake, shift to N gear, and after ignition, shift to D gear to move forward; 2. When switching between N, D, and 3 gears, there is no need to press the shift button. To shift down from 3 gear to lower gears, the shift button must be pressed, but shifting from lower to higher gears does not require pressing the shift button; 3. Do not shift into N gear while driving to coast; 4. Never shift into P gear while driving; 5. After driving, the engine must be turned off and shifted into P gear before the key can be removed.

4

0

Share

What is the Difference Between Full-Face and Half-Face Helmets?

Here are the specific differences between full-face and half-face helmets: 1. Safety factor: The main difference between full-face and half-face helmets lies in their safety levels. Compared to half-face helmets, full-face helmets offer significantly higher safety, providing excellent protection for the head by fully enclosing it. 2. Warmth factor: Full-face helmets offer complete head protection but lack ventilation, which can make them feel stuffy when worn. They are more suitable and warmer for winter use. Half-face helmets, on the other hand, provide better visibility and ventilation but are not ideal for winter. 3. Applicability: Full-face helmets are generally more suitable for electric bike riders or off-road racing, while half-face helmets, due to their lack of chin and back-of-head protection, are banned in many countries.

6

2

Share

Is it normal for the steering wheel to have slight play after the engine is turned off?

It is normal for the steering wheel to have slight play after the engine is turned off. Here are the specific details about the steering wheel: 1. Function: The steering wheel is a wheel-shaped device used to control the direction of cars, ships, airplanes, etc. Its function is to convert the force applied by the driver to the edge of the steering wheel into torque and transmit it to the steering shaft. It mainly consists of a frame, foam, and the corresponding mounting clips or screw holes for the driver's airbag (DAB). 2. Modification Notes: Modifying the steering wheel does not violate relevant regulations. Vehicle inspections focus more on performance and appearance checks. When modifying, it is only necessary to go to a compliant 4S shop for the modification.

6

1

Share

What are the differences between the Volvo XC40 and the Volvo XC60?

The differences between the Volvo XC40 and the Volvo XC60 are: 1. The 0-100 km/h acceleration time is different: the Volvo XC40 takes 9.6 seconds, while the Volvo XC60 takes 7.9 seconds. 2. The tire specifications are different: the Volvo XC40 uses 235/55R18 tires, whereas the Volvo XC60 uses 235/60R18 tires. 3. The body dimensions are different: the Volvo XC40 measures 4425mm in length, 1863mm in width, and 1652mm in height, with a wheelbase of 2702mm; the Volvo XC60 measures 4688mm in length, 1902mm in width, and 1658mm in height, with a wheelbase of 2865mm.

15

0

Share

What type of oil is recommended for Cummins engines?

Cummins recommends using engine oil with specifications of 15W-40 CF4, CG4, CF4/SG, or CG4/SH. The type of oil should also be determined based on the engine's operating environment. If the ambient temperature is above -5°C, it is recommended to use 15W-40 CF4, CG4, CF4/SG, or CG4/SH-grade oil. If the ambient temperature is below -5°C, it is advised to use 10W-30 CF4, CG4, CF4/SG, or CG4/SH-grade oil. The viscosity of engine oil changes with temperature, so special attention should be paid to its performance under both low and high-temperature conditions. For example, in 5W-30 oil, the first number indicates low-temperature fluidity—5W means it can withstand temperatures as low as -30°C. The smaller this number, the better the low-temperature fluidity, ensuring smoother cold starts for the engine. The second number represents the oil's kinematic viscosity at 100°C. A higher number indicates better viscosity retention under high temperatures, which can be understood as better lubrication performance in high-temperature conditions. When selecting engine oil, keep the following considerations in mind: Choose oil based on the engine's requirements. There is no need to use overly advanced oil in engines with lower requirements, nor should lower-grade oil be used in engines with higher demands. It is advisable to opt for multi-grade oil whenever possible. Multi-grade oil offers benefits such as cost savings, extended lifespan, and high efficiency, providing better protection for the engine. Due to its characteristics, multi-grade oil may appear darker prematurely and exhibit lower oil pressure compared to conventional oil, both of which are normal phenomena.

9

5

Share

What is the appropriate idle speed for an automatic transmission?

An idle speed of 500 to 850 RPM is appropriate for an automatic transmission, while the instantaneous idle speed during a cold start is around 1500 to 2000 RPM per minute. The characteristics of an automatic transmission car are: 1. Easy to operate, simple to learn, and easy to master driving techniques; 2. High driving comfort with relatively smooth gear shifting; 3. High safety factor, reducing driver fatigue. The gears of an automatic transmission car include: 1. P gear is the parking gear, used for long-term parking of the vehicle; 2. R gear is the reverse gear, engaged when the vehicle needs to move backward; 3. N gear is the neutral gear, engaged when the vehicle is parked for a short time without turning off the engine; 4. S gear is the sport mode, making the vehicle drive more sporty; 5. M gear refers to the manual mode, where the driver manually completes the gear shifting when the gear lever is engaged in M gear.

9

4

Share

What is the purpose of Geely wiper maintenance mode?

What is the method for shifting gears in an automatic transmission while waiting at a red light?

What is the Difference Between Full-Face and Half-Face Helmets?

Is it normal for the steering wheel to have slight play after the engine is turned off?

What are the differences between the Volvo XC40 and the Volvo XC60?

What type of oil is recommended for Cummins engines?

What is the appropriate idle speed for an automatic transmission?

Will stepping on the accelerator during a hill start result in penalty points?

What is Fuel Economy?

What is the tire size of the Ford Edge?

Why is none of the reversing radars beeping?