AN OTA SOFTWARE UPGRADE WAS ATTEMPTED WITHOUT NOTICE. THE DOWNLOAD WAS INTERUPPTED AND NOT FINISHED. ERROR MESSAGES CONTINUE TO BE DISPLAYED ON THE DASH SCREEN. A FAULT ICON OF A DECLINE IMAGE (NEVER BEEN SCEEN BEFORE) NOW APPEARS AT 18mph AND DISAPPEARS BELOW 18mph. DEGREDATION OF RANGE IS APPARENT. RANGE DECREASES FASTER THAN MILES DRIVEN. ORIGINAL SOFTWARE VERSION 2.0 BECAME 2.2.1. OTA 2.2 NEEDS TOP BE REPEATED DUE TO INTERRUP.