Some major updates (such as those affecting the Transmission Control Unit or Advanced Driver Assistance Systems) can only be verified and finalized by an authorized Haval service center using a professional GWM diagnostic tool.
On some models, this is accessed by tapping the lower corners of the screen in a specific sequence (e.g., left then right).
: Software patches are frequently used to address "LSS errors," which impact the vehicle's lane-keeping alert and intervention programs. Transmission & Safety Logic
If OTA fails or your Jolion has a persistent bug, a dealer uses a verified USB stick.
