The contact owns a 2023 Toyota Tundra. The contact stated that while driving at various speeds, the navigation screen would shut off and then it would restart with no information. The contact would have to stop driving and reenter the information. The vehicle was taken to the dealer and the contact was informed that he needed to show proof of the failure for the issue to be repaired. The driver-side seat functions failed to operate as well as the lane departure warning system was inoperable. The vehicle was not repaired and the failures continued to occur. The contact stated that while his mother was driving at an unknown speed merging into traffic, the front passenger side of the vehicle collided with a trailer. The contact stated that the vehicle collision warning audio system failed to warn of a collision. No injuries were sustained. A police report was not filed. The vehicle was taken to the dealer where the dealer stated that the failure could not be duplicated or determined. The contact received a notification on the Toyota app for NHTSA Campaign Number: 23V566000 (Fuel System. Gasoline) the dealer was notified of the recall and informed the contact that the remedy was not available. The contact then inquired about the interim repairs which were to install protective materials and a clamp on the fuel tube however the dealer stated that they could not perform the interim remedy. The manufacturer was notified of the failures and that the dealer failed to complete the int