2001 Lexus IS300 Electrical problems

Tl* the contact owns a 2001 lexus is 300. While driving at approximately 70 mph, the accelerator pedal was depressed and the vehicle failed to accelerate without warning. Also, while driving at low speeds, the vehicle made an abnormal noise as the vehicle jerked without warning. The contact attempted to roll down the front driver side window and it failed to roll back up. The failures recurred numerous times. The vehicle was taken to an independent mechanic where it was diagnosed that the glass panel needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 154,000. ...Updated 09/19/16 *bf