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Does Cruise Control Save Fuel or Consume More?

1 Answers
LaWillow
07/30/25 4:15am
Whether cruise control saves fuel or consumes more mainly depends on road conditions. If the road is smooth and the vehicle speed changes little, it saves fuel in such driving conditions. However, except for flat roads, other road conditions generally consume more fuel. Cruise control, also known as speed control system or autonomous driving system, functions by maintaining the vehicle speed as set by the driver without the need to press the accelerator pedal, allowing the vehicle to travel at a fixed speed. Cruise control is controlled by the brake light switch circuit signal. When the brake light is on, the cruise function will automatically deactivate, thus deriving a new safety feature: if the brake circuit or brake bulb is faulty, the cruise control function cannot be activated.
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Where is the fuel filter located in the Hyundai Elantra?

Modern Elantra fuel filter is located inside the fuel pump under the rear seats. Here is relevant information: 1. Replacement difficulty: The fuel filter is integrated with the fuel pump, requiring fuel pump removal for filter replacement. The fuel filter replacement process is relatively complex, so it's recommended that owners have it replaced at a 4S shop or repair shop. 2. Filter function: The fuel filter's purpose is to remove impurities from the fuel and supply clean fuel to the engine. If the fuel filter performs poorly, impurities in gasoline can easily clog small passages in the carburetor, causing poor carburetor performance and lean fuel-air mixture; while diesel impurities entering the injection pump may accelerate wear of precision components and reduce fuel injection pressure.
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What is the range of the Model Y?

The range of the Model Y is 594km. Taking the 2021 Model Y as an example: its body structure is a 5-door, 5-seat SUV with dimensions of 4750mm in length, 1921mm in width, and 1624mm in height, a wheelbase of 2890mm, and a curb weight of 1997kg. The 2021 Model Y features a front suspension with a double-wishbone independent suspension and a rear suspension with a multi-link independent suspension. It adopts a dual-motor all-wheel-drive system, equipped with a permanent magnet synchronous motor with a total power output of 317kW, paired with a 1-speed single-speed transmission.
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How to Determine if the BCM is Faulty?

BCM stands for Body Control Module in a vehicle. Symptoms of a faulty BCM are as follows: 1. For automatic transmission models: The trunk cannot be opened, the car key cannot be removed, the P gear is locked, the brake lights do not illuminate (high-mounted brake light functions normally), the windshield washer does not work, and the cigarette lighter does not work. 2. For manual transmission models: The trunk cannot be opened, the width indicator lights do not illuminate, the brake lights do not illuminate (high-mounted brake light functions normally), the windshield washer does not work, and the cigarette lighter does not work. The functions of the BCM are as follows: 1. Power management: It integrates the power supply of electrical devices in the vehicle into the BCM, saving wiring harnesses and facilitating later maintenance. 2. Light control: Prevents the vehicle's wiring harness from burning out due to excessive current. 3. Wiper control: Using the BCM effectively saves wiring harnesses and enhances the functionality of the wipers. 4. Self-diagnosis: Controls vehicle body anti-theft and engine anti-theft, as well as fault mode self-diagnosis control.
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What to Do When There Is No USB Port After Modifying the Car's Central Control Screen?

Solution for no USB port after modifying the car's central control screen: Simply purchase a car cigarette lighter USB expansion port. Typically, cars have two USB ports in the storage compartment between the driver and passenger seats. You can connect your smartphone to the car's interface using the appropriate USB adapter. Below is an introduction to USB ports: 1. Introduction one: The main functions of USB ports include inserting a USB drive to listen to music, charging mobile phones, car cigarette lighters, car vacuum cleaners, radar detectors, and dash cams. 2. Introduction two: The music formats supported by USB ports for multimedia players vary, with most cars supporting MP3 and WMA formats.
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What is the fuel consumption of the Toyota Corolla hybrid?

The MIIT comprehensive fuel consumption is 4.2(L/100km). The following are introductions related to fuel consumption: 1. Habits and road conditions: Fuel consumption is greatly related to driving habits and road conditions. Avoid heavy acceleration, gradual acceleration when starting is the most fuel-efficient. To save fuel, avoid pressing the accelerator heavily when starting, as heavy acceleration consumes 2 to 3 times more fuel than normal acceleration. 2. Braking: Maintaining distance and avoiding frequent braking saves more fuel. If distance is not maintained, braking is often required on the road. When braking, the gear of an automatic transmission car will drop, requiring the car to accelerate again from a lower gear. Starting from a standstill or in a low gear requires the engine to consume more fuel.
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What Causes a Car to Make a Clicking Sound and Fail to Start?

The car makes a clicking sound and fails to start, which may be due to insufficient battery power preventing successful ignition during startup. It could also be a fault in the starter motor, damage to components in the vehicle's ignition or fuel injection system, or the possibility that the driver mistakenly shifted into the wrong gear while attempting to start the car. Therefore, it is essential to maintain the car regularly. Below is an introduction to car maintenance: 1. Introduction to Car Maintenance: Car maintenance refers to the preventive work of regularly inspecting, cleaning, replenishing, lubricating, adjusting, or replacing certain parts of the car, also known as car servicing. 2. Scope of Car Maintenance: Modern car maintenance mainly includes the engine system, transmission system, air conditioning system, cooling system, fuel system, power steering system, and more. 3. Purpose of Car Maintenance: The goal of car maintenance is to keep the vehicle clean, ensure normal technical conditions, eliminate potential hazards, prevent faults, slow down deterioration, and extend the service life.
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