Can Mainland Cars Drive to Hong Kong?

How Should Beginners Steer the Wheel?

Here are some steering wheel techniques for beginners: 1. First, master a safe hand position on the steering wheel. 2. When turning the wheel, alternate your hands to steer. 3. When turning left, avoid using your right hand to reach across the wheel. 4. When driving at high speeds (above 90 km/h), avoid unnecessary movements of the steering wheel. 5. Always keep both hands on the wheel while steering. 6. Do not use your fingers to flick the steering wheel.

13

2

Share

What type of gasoline should a Dongfeng Honda CR-V use?

Honda CR-V should use 92-octane gasoline, as recommended in the vehicle's official user manual. In addition to checking the appropriate gasoline grade in the user manual, Honda CR-V owners can also find this information on the fuel tank cap, where it is usually indicated. Typically, the gasoline grade can also be determined based on the engine's compression ratio. Vehicles with an engine compression ratio between 8.6-9.9 should use 92-octane gasoline, while those with a compression ratio between 10.0-11.5 should use 95-octane gasoline. If the compression ratio is even higher, 98-octane gasoline is recommended. However, with the use of some new technologies, the compression ratio alone cannot determine the appropriate gasoline grade, as high-compression engines can also be tuned to use lower-octane gasoline. Other factors, such as ignition timing, turbocharging technology, and Atkinson cycle technology, also play a role. Generally, the higher the gasoline octane rating, the higher the octane number and the better the anti-knock performance. 92-octane gasoline contains 92% isooctane and 8% n-heptane, while 95-octane gasoline contains 95% isooctane and 5% n-heptane. If a Honda CR-V occasionally uses the wrong gasoline grade, simply switch back to the correct grade after consumption. However, long-term use of the wrong gasoline grade can have the following effects: For vehicles recommended to use lower-octane gasoline, using higher-octane gasoline will not cause damage, but the increase in octane number can alter the fuel's ignition point, leading to delayed combustion in the engine. This reduces the engine's power output and thermal efficiency, resulting in poorer performance. For vehicles recommended to use higher-octane gasoline, using lower-octane gasoline can cause engine knocking. The significantly lower octane number reduces the fuel's ignition point, causing premature ignition during the compression stroke. If combustion occurs before the spark plug fires, resistance is created during the upward stroke. This resistance makes the engine run very unstably. Mild knocking may only increase noise without significant engine damage, but severe knocking indicates serious engine conditions, affecting not only driving stability but also causing abnormal wear on pistons and cylinders, and even cylinder scoring in extreme cases.

14

1

Share

What is a Maybach?

Maybach is a luxury car brand. Here is an introduction to Maybach: 1. Safety features: The Maybach S-Class is equipped with an intelligent driving system that includes multiple advanced technologies such as the Pre-Safe Brake function, Pre-Safe Plus, Distronic Plus with Steering Assist and Stop&Go Pilot, and Active Parking Assist. 2. Powertrain: It is powered by a 5.5L V12 twin-turbocharged engine, delivering a maximum power of 517 kW and a peak torque of 830 Nm. The vehicle's protection level reaches B6/B7 standards, capable of withstanding military-grade light weapons, as well as fragments from grenades and other explosive devices.

13

1

Share

What Causes Abnormal Noise When Depressing the Car Clutch?

Possible causes of clutch abnormal noise are as follows: 1. Worn clutch disc leading to noise from the clutch release bearing, which produces a relatively harsh sound. 2. Broken clutch pressure plate springs or loose release bearing, where abnormal noise from the clutch area can be clearly heard when depressing the clutch pedal, becoming more noticeable upon releasing the pedal. 3. Fractured clutch steel plate. 4. Broken or excessively worn clutch release levers, or broken adjustment bolts for the release levers. If the clutch malfunctions, repairs are necessary. The primary function of the clutch is to regulate the ratio between vehicle speed and traction force. Clutch issues may result in failure to engage gears, gear disengagement, or gear jumping, making driving extremely hazardous.

16

1

Share

What type of vehicle is the Livina?

Livina is a compact car, but its exterior design resembles that of an MPV. Here are the details about the Livina: 1. Powertrain: Dongfeng Nissan equips the Livina with an HR16DE all-aluminum DOHC engine, which delivers a maximum power of 77kW at 5,200 rpm and a peak torque of 150Nm at 4,400 rpm, with a top speed of 180 km/h. The engine is paired with either a 4-speed automatic transmission or a 5-speed manual transmission, achieving a 0-100 km/h acceleration time of approximately 12 seconds depending on the configuration. 2. Safety: In addition to ABS and EBD, the vehicle comes standard with a BA (Brake Assist) system.

18

2

Share

What does the car kettle symbol mean?

The car kettle symbol is the engine oil pressure warning light, which serves an alert function. Here are the reasons why the oil pressure warning light stays on: 1. Insufficient engine oil level, causing the lubrication system to have no or insufficient oil, resulting in low oil pressure. Solution: Add engine oil. 2. The oil is too dirty or viscous, preventing the oil pump from effectively drawing and pumping oil, leading to low or no oil pressure. Solution: Replace the engine oil. 3. Oil dilution or thinning due to high engine temperature causes oil leakage through engine friction gaps, resulting in low oil pressure. Solution: Change oil or repair the cooling system. 4. Oil pipe leakage, damaged oil pump, or excessively worn components reduce or eliminate oil intake and pumping, causing low or no oil pressure. Solution: Repair the engine. 5. Excessive clearance between the crankshaft and bearings leads to oil leakage and low oil pressure. Solution: Inspect the engine crankshaft.

1

4

Share

Can Mainland Cars Drive to Hong Kong?

How Should Beginners Steer the Wheel?

What type of gasoline should a Dongfeng Honda CR-V use?

What is a Maybach?

What Causes Abnormal Noise When Depressing the Car Clutch?

What type of vehicle is the Livina?

What does the car kettle symbol mean?

Unveiling the Truth: Can Fuel Savers Really Save Fuel?

What happens if you add too much engine oil?

What is the difference between Volvo XC90 T6 and T5?

What to Do When Car Tire Pressure is Insufficient?