How to Check the Water Level in the Radiator?

What to Do When the Key Cannot Be Removed from the Buick Regal in P Gear?

If the key cannot be removed from the Buick Regal in P gear, you may need to restart the car and repeatedly push and pull the gear lever to remove it. Taking the Buick Regal 2020 552T Elite as an example: its length, width, and height are 4904mm, 1863mm, and 1461mm respectively, with a wheelbase of 2829mm. It is equipped with a 9-speed automatic manual transmission and has a top speed of 205 kilometers per hour. The Buick Regal 2020 552T Elite is a 4-door, 5-seater sedan. The engine has a maximum torque of 250 Nm and a maximum power of 124 kW. The front suspension uses a MacPherson independent suspension, and the rear suspension uses a multi-link independent suspension.

10

4

Share

Should a new car use 95 octane gasoline?

The type of gasoline a car should use has nothing to do with whether the car is new or not, but mainly depends on the engine compression ratio. Difference in fuel grades: The biggest difference between 92 and 95 octane gasoline lies in their different octane ratings. The higher the octane number, the higher the corresponding octane value, which means the initial boiling point and dry point of the gasoline are higher, and consequently, the ignition point is higher. Effects of mixing fuels: Compression ratio refers to the volume ratio between the lowest point of the piston and the combustion chamber at the highest point. The higher this ratio, the higher the temperature in the combustion chamber when the piston reaches the top dead center. If the temperature reaches the ignition point of the gasoline before the piston reaches the top dead center, the gasoline will ignite prematurely, leading to what is commonly known as engine knocking. This causes a reverse impact on the piston, resulting in insufficient power, increased fuel consumption, and engine damage. Prolonged exposure to this condition can cause irreversible damage to the engine.

14

2

Share

Why is the newly replaced steering gear heavy?

There are several reasons why a newly replaced steering gear may feel heavy: 1. For electronic steering gears, it might be due to improper matching. For hydraulic steering gears, it could be because air hasn't been fully purged from the system. 2. The factory settings may not have been restored or reprogrammed. 3. The data curve, also known as the power assist file, hasn't been properly written into the system using a computer. Different vehicles require different power assist files. 4. Incorrect wheel alignment data. In vehicles equipped with power steering systems, the energy required for steering is normally only a small portion provided by the driver's physical effort, with the majority coming from hydraulic energy supplied by the engine-driven oil pump.

15

1

Share

Where to Press to Open the Rear Door from Inside?

To open the rear door from inside, press the lock release switch. Both drivers and passengers should master the correct door-opening methods: 1. Two-step opening method: When opening the door, only leave a small gap first, then turn your head to check the rear situation. After confirming it's safe, fully push the door open to exit. 2. Dutch reach method: Use the hand farthest from the door to open it, which naturally turns your upper body, making your head and shoulders face outward, allowing easier observation of the surroundings to prevent accidents. As a driver, if there are passengers in the vehicle, park 20-30 cm away from the curb and remind passengers to exit from the right side of the vehicle. If minors are seated in the rear, activate the child safety lock.

5

1

Share

Is a Tire Pressure of 3.0 Bar Normal for Wuling Hongguang?

If the tire pressure reaches 3.0 bar in a cold state, it is slightly too high. However, if the tire pressure reaches 3.0 bar in a hot state, it is considered normal. Hazards of Overinflated Tires: Reduced tire friction and adhesion, affecting braking performance; Causes steering wheel vibration and deviation, reducing driving comfort; Accelerates localized wear on the central tread pattern, shortening tire lifespan; Increases vehicle vibration, indirectly affecting the lifespan of other components; Overextends the tire cords, reducing tire elasticity and increasing the load on the vehicle during driving; Decreases puncture resistance. Sharp objects like nails or glass on the road can easily penetrate the tire, causing internal cracks or blowouts. Hazards of Underinflated Tires: Increases friction with the road surface, leading to higher fuel consumption; Causes heavy steering and deviation, compromising driving safety; Increases movement in various parts of the tire, leading to abnormal heat due to excessive rolling; Weakens the function of cords and rubber, causing delamination or cord breakage, and excessive friction with the rim, damaging the bead area and causing abnormal wear; Multiplies friction with the ground, rapidly increasing tire temperature, softening the tire, and drastically reducing its strength. High-speed driving may lead to blowouts; Increases tire deformation, making the sidewalls prone to cracks and generating flexing motion, leading to excessive heat, rubber aging, cord fatigue, and breakage. It also increases the tire's contact area, accelerating shoulder wear.

1

0

Share

Will Unresolved Motorcycle Violations Affect a C1 Driver's License?

Unresolved motorcycle violations will affect a C1 driver's license. The solution after a violation is that the owner only needs to bring their driver's license and vehicle registration to any traffic police station or administrative comprehensive processing hall in the area where the vehicle violation occurred to handle the matter. If the violation does not involve points deduction, the fine can be paid directly at a bank self-service payment machine or online. Motorcycles, powered by gasoline engines and steered by handlebars to control the front wheel, are two or three-wheeled vehicles that are lightweight, flexible, and fast. They are widely used for patrol, passenger and cargo transport, and also serve as sports equipment. Motorcycles are categorized into street bikes, road racing motorcycles, off-road motorcycles, cruisers, and touring bikes.

15

5

Share

How to Check the Water Level in the Radiator?

What to Do When the Key Cannot Be Removed from the Buick Regal in P Gear?

Should a new car use 95 octane gasoline?

Why is the newly replaced steering gear heavy?

Where to Press to Open the Rear Door from Inside?

Is a Tire Pressure of 3.0 Bar Normal for Wuling Hongguang?

Will Unresolved Motorcycle Violations Affect a C1 Driver's License?

Which country is the Polestar 2 from?

Can You Make a U-Turn in the Left-Turn Waiting Area?

What do Qiong A, B, C, D, E, F represent respectively?

Why does a manual transmission have a severe drag feeling when releasing the throttle?