The contact owns a 2023 Forest River Cardinal. The contact stated that while driving and making a right turn, the electric living room slide unexpectedly deployed and opened. The RV was taken to the dealer, but the cause of the failure was not determined. Additionally, while driving at various speeds, the RV was extremely unstable and difficult to control or steer. The contact stated that the exterior storage door erroneously opened. The contact was concerned that storage items might fall from the RV while driving on the highway. The cause of the failure was not yet determined. The manufacturer and local dealer were notified of the failure. The failure mileage was 300.