Uconnect Software Version 18.45.01 is a critical firmware update for vehicles equipped with the 8.4-inch (RA3/VP3 or RA4/VP4) infotainment systems. Released primarily to address navigation and system stability issues, this version is often the final or highest firmware level available for many 2013–2017 model year vehicles.
No. Uconnect does not allow downgrading. Once you install 18.45.01, you cannot revert to 17.xx.xx. Uconnect Software Version 18.45.01
Owners should back up settings where possible, ensure the vehicle battery is sufficiently charged or connected, and avoid interrupting the update process. Installation can take from a few minutes to over an hour depending on the size of the update and the vehicle. Uconnect Software Version 18
The update resets USB port drivers. Fix: Perform a soft reset of the Uconnect system: Press and hold the volume/tuner knobs simultaneously for 10–15 seconds until the screen reboots. Then reconnect your media USB. Uconnect does not allow downgrading
No software is perfect. A small percentage of users have reported: