The weather on the display of Buick Lang Wei cannot be refreshed.

1. Check the network connection: make sure the network connection of the vehicle is normal. If the vehicle supports in-vehicle WiFi or Bluetooth connection, please make sure that it is connected correctly and working properly. If you use a mobile phone hotspot as a network source, check whether the mobile phone hotspot settings and connections are normal.

2. Restart the vehicle system: Try to restart the entertainment system of the vehicle. You can perform a system restart by holding down the volume knob or the restart option in the system settings. This helps to solve temporary software problems.

3. Check the settings and updates: enter the settings menu of the vehicle entertainment system to ensure that the weather function is enabled and the correct location information is set. At the same time, check whether the system software needs to be updated. If a system update is available, please follow the prompts to update it.