TT: Some 2022MY Lexus drivers may experience the inability to perform Service Bulletin Titled ?Head Unit Software Update (Panasonic)? on their vehicle due to gradual roll out of this customer facing update. This phased roll out means that as time progresses, more vehicles will receive the update notification and ability to update the head unit. This timing will vary by location and may not display for every vehicle in one location at the same day/time
