This update specifically targets U.S. market vehicles with the 8.4-inch touchscreen (Sales Codes RA3 or RA4). Key models include:
Cherokee (2013–2017), Grand Cherokee (2014–2017), Renegade (2015–2017). Ram: 1500/2500/3500 Pickups and Cab Chassis (2013–2017).
Some users gained access to Siri Eyes Free and a "Do Not Disturb" text reply button. Compatible Vehicles
Durango (2014–2017), Viper (2013–2017), Challenger/Charger (2015–2016). Installation Methods
The system clock and date would become inaccurate due to failed GPS time synchronization.
The vehicle location would no longer follow streets on the map.
The most significant purpose of the 18.45.01 update was to resolve the that occurred in late 2019. Without this update, many systems experienced:
200 (2015–2017), 300 (2015–2016), Pacifica (2017).







