Why is the car remote key not responding when pressed?

1 Answers
OEden
07/30/25 7:37am
There are several reasons why a car remote key may not respond when pressed: 1. The remote key battery is dead; 2. The parking location has signal interference affecting the car; 3. There are signal jammers or criminals lurking nearby. A remote key refers to a key that utilizes the wireless remote control function of the central locking system, allowing doors to be unlocked or locked from a distance without inserting the key into the lock. It consists of two parts: a transmitter and a receiver. The working principle of a remote key is: first, the key emits a weak radio wave, which is received by the car's antenna. The electronic control unit then identifies the signal code, and the system's actuator performs the unlocking or locking action.
Was this review help?
14
4
Share
More Forum Discussions

Which piece of glass is the most expensive in a sedan?

The triangular glass in a sedan is the most expensive. The front triangular glass is located next to the rearview mirror, while the rear triangular glass is near the C-pillar. Below is relevant information about sedan glass: 1. The price of sedan glass, from highest to lowest, is as follows: triangular glass, sunroof glass, front windshield, rear windshield, and the four side windows (the rear side windows are slightly cheaper than the front ones). 2. Triangular glass is a rarely damaged component, so it is not frequently replaced, leading to relatively fewer spare parts available. Many repair shops do not keep it in stock. Additionally, due to technical reasons (it is not easy to replace, as factors like sealing must be considered), it is the most expensive. Below are the functions of triangular glass: 1. It prevents the front windshield from being overly tilted, which could create blind spots for the driver. 2. For aesthetic and complementary purposes, the rear also adopts this design, achieving visual harmony and appeal. 3. It enhances lighting for the rear seats and space, improving visibility for passengers.
8
3
Share

What stickers are required for new cars in 2020?

In 2020, new cars only need to display the annual inspection sticker. Since 2019, the compulsory traffic insurance sticker is no longer mandatory for car owners to display. Currently, annual inspection stickers are connected with the traffic police system and are available as electronic records, eliminating the need to physically attach them to the windshield. However, the annual inspection sticker is still mandatory. The procedures for vehicle annual inspection are: 1. The car owner needs to fill out the 'Motor Vehicle Annual Inspection Form' and then send the vehicle to the designated location for inspection on the date specified by the local vehicle management office. Vehicles that pass the inspection will have a qualified stamp affixed to their driving license and the 'Motor Vehicle Annual Inspection Form' by the vehicle management authority; 2. For out-of-town inspections, the car owner must submit an application, which will be forwarded by the original vehicle management office to the local vehicle management office for inspection. The inspection results will then be reported back to the original vehicle management office; 3. Vehicles that cannot undergo the annual inspection on schedule due to special circumstances must apply for an extension in advance with the local vehicle management office.
15
4
Share

Should the Engine Start-Stop Function Be Turned On?

Engine start-stop function should not be turned on. The original intention of the automatic engine start-stop design is for environmental protection and energy saving, and it can indeed achieve this goal in a theoretical environment. However, when combined with actual road conditions, such as prolonged traffic congestion, frequent stops and starts will inevitably increase the burden on the starter. The working principle of the start-stop function is: when the driver is seated in the cockpit and the traffic light ahead turns red, the driver presses the brake pedal, stops the vehicle, and shifts into neutral. At this point, the start-stop system automatically detects that the engine is idling without being in gear, the wheel speed sensor of the anti-lock system shows zero, and the electronic battery sensor indicates there is sufficient energy for the next start. Once these three conditions are met, the engine automatically stops running. When the traffic light turns green, the driver presses the clutch, and the 'start-stop device' can be activated immediately, quickly restarting the engine. The driver shifts gears, presses the accelerator, and the vehicle starts swiftly. Supported by efficient battery technology and corresponding engine management programs, the start-stop system can operate effectively even at lower temperatures, requiring only a brief warm-up process to activate.
2
2
Share

What does 0w40 mean?

In 0w40, the W stands for Winter. The smaller the number before it, the better the low-temperature fluidity of the oil, indicating a lower usable ambient temperature and better engine protection during cold starts. The number 40 indicates that the kinematic viscosity standard at 100°C is between 12.5m㎡/s and 16.3m㎡/s. Here is some related information: The viscosity of lubricating oil is often identified using SAE grades, where SAE is the abbreviation for the "Society of Automotive Engineers." The number after the "W" (after the hyphen) is an indicator of the oil's high-temperature resistance. The larger the number, the better the oil's protective performance at high temperatures. The selection of oil viscosity should meet both low-temperature startability and high-temperature lubricity. Choose viscosity grades based on region, season, and temperature, and try to use multi-grade oils. In extremely cold regions during winter, engine oils such as 0W, 5W, or 0W/20 or 5W/20 multi-grade oils should be used; in hot regions during summer, 40-grade oil or 20W/40 oils should be used.
11
5
Share

What are the differences between the 2018 Lamando and the 2019 Lamando?

Here are the differences between the 2018 Lamando and the 2019 Lamando: 1. In terms of exterior design, the 2019 Volkswagen Lamando has undergone subtle adjustments to the upper and lower grilles and headlights, resulting in a wider, flatter, and more level front end. The grille features a continuous dot-matrix chrome strip decoration, and LED headlights are standard across the entire lineup, with a simpler internal design and added sporty elements. 2. The side profile of the 2019 Volkswagen Lamando exhibits a distinct sense of layering, with a crease design for the waistline and blackened B-pillars. The body length is 4615 mm, width is 1826 mm, height is 1425 mm, and the wheelbase is 2656 mm, making it longer than the 2018 Lamando.
16
5
Share

Where is the child lock located on the Ford Escort?

The child lock of the Ford Escort is located on the side of the rear door. There is a small switch below the door lock. The rotary child safety lock requires inserting a key into the corresponding hole to rotate the knob switch for locking and unlocking operations. Below is more information about the child safety lock: 1. The child safety lock is used for the rear doors of the vehicle to prevent the danger of opening the door from inside while the vehicle is moving. When this device is activated, even if the electronic central door lock is opened, the device remains in the locked state. To open the rear door, you can only use the switch on the outside of the door when the central door lock is unlocked. 2. To ensure the safety of children during the ride, the child safety locks on both rear doors should be engaged. Once the child safety locks are engaged, no matter how much the child moves around in the back seat, they cannot open the door from inside. This ensures the child's safety and allows the driver to focus on driving.
13
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.