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What does the engine warning light with an exclamation mark mean?

1 Answers
LaIsabelle
07/29/25 11:46pm
Engine warning light with an exclamation mark indicates a problem with the car's engine. The reasons for the appearance of this warning light are: 1. Poor quality gasoline; 2. Malfunction of the oxygen sensor leading to an imbalance in the air-fuel mixture ratio; 3. Excessive carbon deposits in the throttle or engine; 4. Engine cylinder failure; 5. Damage to the coolant temperature sensor. The conditions that may occur when the engine warning light is on include: 1. Engine fails to start; 2. Unstable engine speed during operation with significant fluctuations; 3. Engine tends to stall when the speed is low and close to idle; 4. Unstable engine speed with noticeably reduced power; 5. Slow response in engine speed during rapid acceleration.
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How to Steer the Wheel When the Vehicle Skids in Subject 4?

Subject 4 methods for steering the wheel during vehicle skidding should be handled under the following situations: 1. Front-wheel skid: If the front wheels skid, maintain the throttle and correct the direction to drive out. 2. Rear-wheel skid: When the rear wheels skid, turn the steering wheel in the direction of the skid, and after the rear wheels straighten, return to the road. 3. Rear-wheel skid on a downhill slope: When encountering a rear-wheel skid on a downhill, gently press the throttle to increase speed slightly, and after the skid is eliminated, resume the original speed. Note: The key to handling a vehicle skid is to stay calm and avoid panic. If you are unaware of the correct handling methods for a skidding vehicle, improper operation can easily lead to a more severe crisis.
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Where to Obtain the Annual Inspection Sticker?

Annual inspection stickers can be obtained at the vehicle management office. If the vehicle is a newly purchased car, you can go to the local vehicle management office to get it. For vehicles eligible for the 6-year exemption from inspection, you need to collect the sticker every two years at the vehicle management office. For older vehicles, you must bring documents such as the driver's license and vehicle registration certificate to the vehicle management office to receive the sticker after the vehicle passes the inspection line. Every newly purchased vehicle must go through the vehicle inspection line, and only after passing the inspection can you obtain the annual inspection sticker. Currently, new seven-seater vehicles still need to undergo inspection at the inspection line every two years. Only privately owned vehicles with seven seats or fewer are eligible for the six-year exemption from on-site inspection policy. Annual inspection refers to the safety inspection conducted annually or biennially, which includes a comprehensive check of components such as the horn, brakes, axle weight, chassis, ignition system, lighting system, exhaust system, and license plate installation.
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How to open the Haval H2 car key?

Steps to open the Haval H2 car key: 1. On the side of the smart key, there is a button with a key symbol. Press and hold it, then use the other hand to remove the mechanical key; 2. The cross-section of the smart key has an "OPEN" marking and a reserved lifting position. Use a tool to pry at that position, and the car key can then be opened. The Haval H2 is a compact SUV under Great Wall Motors, with dimensions of 4330mm in length, 1815mm in width, and 1700mm in height, and a wheelbase of 2560mm. In terms of safety features, the Haval H2 comes standard with Bosch's ninth-generation ESP body stability control system, RMI rollover prevention system, CDP emergency braking, TCS traction control, HHC hill start assist, HDC hill descent control, and a smartphone connectivity system.
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How Many Years Are Family Cars Exempt from Inspection?

Family cars are exempt from inspection for 6 years. Vehicle annual inspection (or motor vehicle annual inspection) refers to the annual inspection of vehicles that have already obtained official license plates and vehicle registration certificates, conducted in accordance with the technical conditions for safe operation of motor vehicles. The purpose of the vehicle annual inspection is to check the main technical conditions of the vehicle, urge the strengthening of vehicle maintenance, keep the vehicle in good condition, and ensure driving safety. For vehicles exempt from inspection within 6 years, the following should be noted during the annual review: 1. Go to the vehicle management office to collect the annual inspection label within the specified period; 2. The required documents for online inspection include the motor vehicle registration certificate, compulsory traffic insurance policy, vehicle and vessel tax payment or tax exemption certificate, and the owner's ID card; 3. Failure to collect the annual inspection label will be regarded as not having the vehicle inspected as required.
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What Components Make Up a Car Heating System?

An automotive heating system consists of the following components: 1. Refrigeration system. 2. Heating system. 3. Ventilation and air purification devices with control systems. 4. Evaporator, heater radiator, centrifugal blower, and control mechanism. Below is the working principle of a car heating system: 1. When the engine is running, high-temperature combustion in the engine cylinders heats the coolant. Under the action of the engine cooling system's water pump, the coolant enters the heat exchanger through the inlet pipe. The blower then blows air to transfer the heat dissipated by the coolant into the passenger compartment or onto the windshield, thereby raising the interior temperature and defrosting. 2. During the heat dissipation process in the heat exchanger, the coolant is drawn back by the water pump through the return pipe, creating a continuous cycle to provide warm air heating.
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What are the differences between the Avancier Starlight Limited Edition and other versions?

The Avancier Starlight Limited Edition primarily features modifications in its exterior and configurations, introducing new exclusive exterior paint colors and decorative kits on top of the existing model, along with minor upgrades to the interior configurations. Below is an introduction to the Starlight Limited Edition: 1. In terms of powertrain, it retains the 1.5T engine + CVT continuously variable transmission combination from the current 240TURBO model. The new vehicle comes in two configurations: the 240TURBO CVT Luxury · Starlight Limited Edition and the 240TURBO CVT Premium · Starlight Limited Edition. 2. Apart from adopting a unique Starlight Blue exterior color, the vehicle also features smoked treatments on the grille, headlight brows, and noise-reducing wheels, enhancing the overall cosmic depth appearance. Additionally, it includes newly added front door projection lights, footwell ambient lighting, and blue premium LED welcome pedals.
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