How to Set the Date on a Dash Cam?

Can a C1 License Drive a Three-Wheeled Motorcycle?

C1 driving license cannot drive a three-wheeled motorcycle, but it can drive a three-wheeled car. According to the "Regulations on the Application and Use of Motor Vehicle Driving Licenses", a C1 license allows driving the following vehicles: small and micro passenger cars as well as light and micro trucks; light, small, and micro special-purpose vehicles; small passenger cars with no more than 9 seats. A C1 license can drive C2, C3, and C4 models. Permitted vehicle types for C1: The scope of a C1 driving license includes small and micro passenger cars and light and micro trucks; light, small, and micro special operation vehicles; small passenger cars with no more than 9 passengers. Vehicles that a C1 license cannot drive: Large buses, tractors, city buses, medium-sized buses, large trucks, ordinary three-wheeled motorcycles, ordinary two-wheeled motorcycles, light motorcycles, wheeled self-propelled machinery, trolleybuses, and trams. At the same time, a C1 license cannot drive vehicles with more than 9 seats, nor can it drive trucks with an overall length exceeding 6 meters.

11

0

Share

What Does the Yellow ABS Light Mean?

ABS light can illuminate in various states, each indicating different fault causes and requiring distinct handling methods, as detailed below: State 1: ABS warning light stays on continuously (most common). Cause 1: The ABS wheel speed sensor's sensing area is covered by mud, sludge, or other contaminants, affecting its ability to detect the corresponding wheel speed signal. This prevents the ABS control unit from determining the vehicle speed or calculating the wheel slip rate, thus failing to issue appropriate commands to regulate braking. Solution: Clean the dirt from the wheel speed sensor and adjust the gap between the sensor and the tone ring to restore normal function. Cause 2: Poor signal transmission due to loose system wiring connections or faulty ABS relay contacts. Solution: Inspect wiring connections and re-secure any loose connections. State 2: ABS warning light illuminates intermittently but turns off during acceleration. Cause: When multiple electrical components are in use, battery voltage may drop below 10.5V. As engine speed increases, voltage rises, causing the ABS light to turn off. This may also indicate insufficient power supply voltage to the ABS system due to poor terminal contact or grounding issues. Solution: Check battery specific gravity; inspect the charging system; examine power supply components (e.g., voltage relay or poor power contact). State 3: ABS warning light remains on after engine start until engine is turned off (IGFF). Cause: Poor grounding connection of ABS hydraulic valve body; faulty wiring connector of ABS hydraulic valve body; ABS control unit malfunction. Solution: Loosen and re-tighten the hydraulic valve body grounding screw, cleaning contact surfaces if necessary; check for enlarged connector gaps; replace ABS or ABS/ASR control unit. State 4: ABS warning light illuminates during high-speed driving. Cause: ABS control unit detects significant discrepancy between rear and front wheel speeds; incorrect tire or wheel rim specifications. Solution: Refer to vehicle's specified tire and wheel rim sizes, typically listed on the fuel filler cap sticker. State 5: ABS warning light flashes intermittently. Cause: Improperly adjusted brake light switch; internal contact failure in brake lights. Solution: With engine running, depress brake pedal fully while manually pushing the brake switch linkage downward to complete self-setting; replace brake light switch if necessary. When the ABS warning light is illuminated, it is advised not to continue driving. An active ABS light indicates malfunction in the anti-lock braking system. During emergency braking, locked wheels may cause loss of vehicle control and skidding, preventing the driver from decelerating or adjusting the vehicle's trajectory, posing significant safety risks.

7

4

Share

How Long Can a Tire Repair Plug Last?

Under normal circumstances, a tire repair plug can last for 3-5 months. However, this depends on factors such as the quality of the repair tape and adhesive, the technician's skill, the extent of contamination during the repair, as well as driving conditions and habits. In harsh driving environments or at high speeds, air leakage may occur within 2 months. The rubber plug repair method was a popular tire repair technique in the past. The process involves enlarging the puncture with tools like an awl, then filling the hole with a special adhesive and rubber strip to ensure a tight seal. Finally, the plug is hammered gently to secure it. This method is convenient and quick, requiring no tire disassembly or rebalancing. However, it enlarges the puncture and may lead to air leakage later, making the repair less reliable. Several situations where a tire cannot be repaired and must be replaced: Damage to the tire sidewall; irreparable issues such as bead damage or deformation, tread distortion, chemical corrosion of the rubber, or damage from driving while underinflated; a bulging tire cannot be repaired and must be replaced.

18

0

Share

What Happens When the Timing Gear is Misaligned?

Consequences of timing gear misalignment are as follows: When the timing is misaligned, during the engine's rotation process, sudden acceleration will cause the engine to emit a rattling metal knocking sound; it will lead to increased engine starting resistance, and in severe cases, the engine may fail to start, resulting in reduced vehicle power; it affects the car's idle instability, engine shaking, and there may also be slight car weakness, with unclear throttle response when going uphill. Relevant information about the timing gear is as follows: Introduction: The timing gear is a gear in mechanical devices that plays a role in time-scale positioning to complete related control functions. In the intake and exhaust systems of internal combustion engines, and in local systems with sequential relationships for completing mechanical functions such as in clocks, timing gears are introduced. Transmission Methods: Three transmission methods of timing gears: chain drive, toothed belt drive, and gear drive.

13

2

Share

What is the purpose of the S gear?

S gear is the sports mode of a car (S stands for sport). In S gear sports mode, the transmission can shift freely, but the shifting timing will be delayed. Here is an introduction to the S gear: Introduction: It keeps the engine at high RPM for a longer time, allowing the car to move at high RPM in lower gears for an extended period, thereby achieving greater torque output and acceleration. Precautions: Since the S gear only delays upshifting without changing other working conditions, it will inevitably increase the load on the transmission in a short time, accompanied by a rise in temperature, and the resulting wear will also intensify. Therefore, try not to use the S gear for a long time.

17

1

Share

What Causes Engine Block Cracking?

Engine block cracking can be caused by the following reasons: Only adding water to the radiator without antifreeze: When the external temperature is too low, the water inside the engine block freezes and expands, causing the block to crack. Adding excessive cold water directly to an overheated engine or splashing cold water on it: This can cause thermal shock to the engine block, leading to cracks. Severe impacts can also cause the engine block to crack. Relevant information about automotive engines is as follows: Introduction: The automotive engine is the power-generating device of a vehicle, serving as the heart of the car. It determines the vehicle's power performance, fuel economy, stability, and environmental friendliness. Common gasoline and diesel engines are both types of reciprocating piston internal combustion engines. Classification: Depending on the power source, automotive engines can be categorized into diesel engines, gasoline engines, electric motors for electric vehicles, hybrid systems, and other types.

9

5

Share

How to Set the Date on a Dash Cam?

Can a C1 License Drive a Three-Wheeled Motorcycle?

What Does the Yellow ABS Light Mean?

How Long Can a Tire Repair Plug Last?

What Happens When the Timing Gear is Misaligned?

What is the purpose of the S gear?

What Causes Engine Block Cracking?

What Causes the Wiper to Jump and Skip on the Windshield?

Can a C1 License Drive a Tricycle?

How long is the validity period of a temporary license plate?

Is There Any Subsidy for Vehicle Recalls?