What's the reason for no response when inserting the car key to start?

[SanJulian]

The reasons for no response when inserting the car key to start are: 1. The vehicle key has no power or is about to run out of power; 2. The car key's radio waves are being interfered with; 3. The steering wheel is in a locked state; 4. The car has a malfunction. The solutions for no response when inserting the car key to start are: 1. Press the button on the side of the key to take out the mechanical key; 2. Insert the key into the door handle of the main driver's cabin and open the door; 3. Place the car key against the lower right corner of the steering wheel and press the start button. The functions of the car key include: 1. Press the car door button once to only open the driver's door, press twice to unlock all four doors; 2. Press the trunk button to open it automatically; 3. After getting out of the car, long-press the lock button to remotely close the windows.

[VonDallas]

Oh, I've encountered this situation quite a few times. The most likely cause is a dead battery, especially if you haven't driven the car for several days or forgot to turn off the headlights. The way to check is to see if the dashboard lights up. If there's no response at all, it's almost certainly a battery issue. You can use a multimeter to measure the voltage—if it's below 12 volts, the battery needs charging or replacement. The second possibility is that the key battery is depleted, particularly if the remote key is dead and can't be recognized. Try replacing the coin cell battery. The ignition switch itself might also be worn out or have poor internal contact. If you don't hear a clicking sound, check the fuse box for any blown fuses. The anti-theft system might occasionally misjudge and lock up—try reinserting the key or disconnecting and reconnecting the battery. For safety, avoid forcing the ignition; first ensure the environment is safe before troubleshooting. Remember, regular maintenance of the battery and key can prevent issues before they arise.

[LaAddyson]

This is quite annoying. Last time I encountered this, it was because the battery was dead, causing no response at all. Check if the dashboard lights and interior lights turn on. If neither works, it's likely a battery issue, as cold weather can easily drain the battery. Key problems are also common—low remote battery power can make the system mistake it for a theft attempt. Try replacing the battery or using a spare key. Another reason could be a faulty start button or switch, especially in older cars with significant wear. Sometimes, the anti-theft system triggers without response, and resetting the car's computer might help. Avoid random attempts—first test the battery or use jumper cables for a quick fix. If that doesn’t work, seek professional repair to prevent short-circuit risks. Develop a good habit of regularly checking battery health to avoid sudden failures.

[DiAngelo]

As a car enthusiast, I find that this usually stems from several aspects. Insufficient battery power is key; if it falls below the critical value, the car won't start. A faulty key chip can cause the anti-theft system to not recognize it—try replacing the battery or checking the receiver. A broken starter relay or a blown fuse can also interrupt the current. Hidden issues like short circuits or corrosion in the wiring should be checked by inspecting the connection terminals for rust. Preventive measures include scanning for error codes with an OBD tool, but average car owners can first try jump-starting. Safety comes first—don't repeatedly attempt to start the car; it's more reliable to take it to a shop for inspection.