What to Do When the Car Shows No Network Connection?

[StCooper]

The navigation device does not have WiFi functionality. If it does, please check if the account matches. Network connection error, check if the network exists. The local network signal is weak. The navigation system has not downloaded offline maps and offline navigation information.

[DiBrielle]

Here's how I usually handle the 'no network' display in my car: First, restart the infotainment system by holding the power button for a few seconds to reset it—this solves most issues. If that doesn't work, check the network settings in the menu to ensure the mobile data switch is turned on, as it might have been accidentally disabled. Then, move to an open area to test signal strength, avoiding interference from tall buildings or underground parking. If your car has a SIM card slot, remove and reinsert it to ensure good contact. Don’t forget to check if your account on the mobile app has sufficient balance, as insufficient funds can cause disconnection. Network interruptions can disrupt real-time navigation and online services, which is quite annoying; I recommend regularly updating the system firmware to prevent this. If none of these steps work, drive to a 4S店 (dealership) and let the technicians check for hardware or software issues—professional handling saves hassle.

[VanDeclan]

I used to frequently encounter network disconnection issues. A simple solution: after parking, completely turn off the engine for a few minutes and then restart it. Resetting the entire system usually helps restore the connection. Also, check the status of your vehicle's internet account; if it's overdue or expired, renew it. Try moving to a different location to avoid weak signal areas, such as exiting tunnels or underground parking. If the problem persists, it might be due to a loose antenna or a software bug. Don't attempt to fix it yourself; instead, schedule an appointment with a 4S shop for a professional diagnosis using specialized tools. The network is crucial for driving assistance features, and losing real-time traffic updates makes navigation more challenging. Address the issue promptly to avoid travel delays.

[AveryFitz]

I think the car's lack of network signal might be due to a poorly connected antenna that shifted after vibration; or the system software is stuck, similar to a phone needing an update. It could also be poor network coverage from the operator—try testing the signal in different locations. Attempt manually searching for network options to force a connection. During regular maintenance, check the settings to prevent small issues from becoming big ones. Hardware damage like module failure can only be repaired by professionals. Don’t ignore it—the network supports many real-time functions, and if it’s broken, the experience will be poor.