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Why is the Corolla reverse radar not beeping?

1 Answers
VanCorey
07/30/25 2:42am
Corolla reverse radar not beeping is due to damage to the reverse radar module or buzzer. Here are the specific details about the reverse radar: 1. Function: When reversing, it informs the driver about surrounding obstacles through sound or more intuitive displays, alleviating the troubles caused by the driver's need to look around during parking, reversing, and starting the vehicle. It also helps eliminate blind spots and unclear vision defects, improving driving safety. 2. Blind spots: The reverse radar also has certain blind spots, including obstacles that are too low (below 10~15cm from the center of the probe), too thin obstacles (such as isolation piles, diagonal steel cables), and ditches.
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Why don't the hazard lights flash when locking the car?

The reasons why the hazard lights don't flash when locking the car are: 1. The car door is not properly closed; 2. The remote key is out of battery; 3. There is strong signal interference where the vehicle is parked, causing the remote to malfunction. The solutions for hazard lights not flashing when locking the car are: 1. Check if the car door is properly closed; 2. Replace the remote key battery; 3. Move the vehicle to another location and try again. The functions of hazard lights are: 1. In case of breakdown, accident, or emergency, they can alert other vehicles; 2. When parking on the roadside, turn on the hazard lights to avoid rear-end collisions. Situations where hazard lights should be used: 1. When the vehicle breaks down or is involved in a traffic accident on the road; 2. When parking on the roadside; 3. When driving in foggy weather; 4. When towing a faulty vehicle, both the towing vehicle and the faulty vehicle should turn on the hazard warning lights; 5. When temporarily stopping on the driving road; 6. When visibility is less than 100m; 7. When transporting critically ill patients; 8. When the vehicle is reversing or making a U-turn on a complex road section.
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What is the normal valve clearance for the Mondeo?

The valve clearance for the Mondeo is normally between 0.23 to 0.28mm for the intake valves and between 0.27 to 0.33mm for the exhaust valves. The function of the car valves is to input air into the engine and expel the exhaust gases after combustion. Taking the 2020 Mondeo as an example, it is a mid-size car with body dimensions of 4873mm in length, 1852mm in width, 1470mm in height, a wheelbase of 2850mm, and a curb weight of 1592kg. The 2020 Mondeo is equipped with a 1.5T turbocharged engine, delivering a maximum horsepower of 182PS, a maximum torque of 243Nm, and a maximum power of 134kW, paired with a 6-speed automatic transmission.
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What are the body dimensions of the BAIC New Energy EX5?

The body dimensions of the BAIC New Energy EX5 are: length 4480mm, width 1837mm, height 1673mm, with a wheelbase of 2665mm. Taking the 2019 BAIC New Energy EX5 as an example, it is a compact SUV with a trunk capacity of 488 liters and a curb weight of 1770kg. The 2019 BAIC New Energy EX5 features a front MacPherson independent suspension and a rear multi-link independent suspension. It is equipped with a permanent magnet synchronous motor, with a total motor power of 160kW and a total motor torque of 300Nm. The matched transmission is a single-speed electric vehicle transmission.
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What types of vehicles can a C2 license drive?

The C2 license is authorized to drive small automatic transmission vehicles. According to the "Regulations on the Application and Use of Motor Vehicle Driving Licenses," the permitted vehicles include small and micro automatic transmission passenger vehicles, as well as light and micro automatic transmission cargo vehicles. Small automatic transmission vehicles refer to those with a total mass not exceeding 4.5 tons, seating capacity not exceeding 9 people, and a vehicle length not exceeding 6 meters. C2 license test items: Theoretical knowledge (Subject 1), mainly covering road signs and traffic laws; Field driving skills (Subject 2), including reverse parking, parallel parking, right-angle turns, and S-curves; Road driving skills (Subject 3), including lighting and roadside parking; Civilized driving theory (Subject 4), assessing the driver's civilized driving qualities. According to the "Motor Vehicle Driving License Business Work Standards" issued by the public security department, motor vehicle driving licenses are classified into a hierarchical system, dividing licenses into 15 levels: A1, A2, A3, B1, B2, C1, C2, C3, C4, D, E, F, M, N, P. The permitted vehicle types for each license level are as follows: A1 license: Permitted to drive large passenger vehicles. A2 license: Permitted to drive tractors and heavy or medium full or semi-trailer vehicle combinations. A3 license: Permitted to drive city buses with a capacity of 10 or more passengers. B1 license: Permitted to drive heavy passenger vehicles. B2 license: Permitted to drive heavy or medium cargo vehicles. C1 license: Permitted to drive small and micro passenger vehicles. C3 license: Permitted to drive low-speed cargo vehicles (originally four-wheel agricultural transport vehicles). C4 license: Permitted to drive three-wheeled vehicles (originally three-wheel agricultural transport vehicles). D license: Permitted to drive three-wheeled motorcycles with an engine displacement exceeding 50ml. E license: Permitted to drive two-wheeled motorcycles with an engine displacement exceeding 50ml. F license: Permitted to drive motorcycles with an engine displacement of 50ml or less. M license: Permitted to drive wheeled self-propelled machinery vehicles. N license: Permitted to drive trolleybuses. P license: Permitted to drive trams.
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Does the Qashqai use a timing belt?

The Qashqai does not use a timing belt. The original vehicle is equipped with a chain timing system. Taking the 2021 Qashqai as an example, its body dimensions are: length 4401mm, width 1837mm, height 1593mm, wheelbase 2646mm, and fuel tank capacity 57L. The 2021 Qashqai has a MacPherson independent front suspension and a multi-link independent rear suspension. It is powered by a 2.0L naturally aspirated engine with a maximum horsepower of 151PS, maximum torque of 194Nm, and maximum power of 111kW, paired with a 7-speed continuously variable transmission.
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What system does the suspension belong to in the chassis?

Suspension is the driving system of the chassis, which connects the wheels to the car body. Without suspension, a car cannot be driven properly. The suspension system refers to all the force-transmitting connection devices between the car frame and the axle or wheels. Its functions are: to transmit forces and torque between the wheels and the frame, to cushion the impact from uneven road surfaces to the frame or body, and to dampen the resulting vibrations, ensuring smooth driving. Types of car suspensions include: 1. Independent suspensions, which consist of: double-wishbone suspension, double-trailing-arm suspension, E-type multi-link suspension, multi-link suspension, and MacPherson strut suspension; 2. Non-independent suspensions, which include: multi-leaf spring suspension, torsion beam suspension, leaf spring non-independent suspension, coil spring non-independent suspension, and air spring non-independent suspension.
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