2018 VOLVO V90CC Unknown Or Other Problems

1. When my tailgate is open on multiple (more than 8?9? 10 times out of nowhere it will start to come down without my prompting It has hit me on my shoulder multiple times and I jump out of the way while it continues to shut. Most recently, it came down quick and hit my head. Luckily I got out of the way. Yet it wasn't fast enough because this time the tailgate hit it hard giving me a headache and then bothered my neck later. I have gone to Volvo and they say nothing is wrong with it. They say that is the feature of swinging you foot under the bumper and I know that. I didn't do that though. I never let my grand-kids sit in the back "tailgating after skiing" because of the potential danger of it coming down. It doesn't get triggered to stop or go...

SENSUS NAVIGATION MAP GETS OVERPLAYED WITH A BLANK "WINDOW" EFFECTIVELY COVERING THE MAP, THE SYSTEM FREEZES SO NO NAVIGATION OR SENSUS RELATED INFORMATION IS AVAILABLE TO THE DRIVER. THE RECOVERY PROCESS SEEMS TO BE, STOP CAR, OPEN/CLOSE DOORS, WAIT 5-20 MINUTES, OPEN/CLOSE DOORS, RESTART CAR AND HOPEFULLY MOVE ON. THE CAR HAS BEEN TO DEALER 8+ TIMES FOR VARIOUS ATTEMPTS TO REPAIR. VOLVO NORTH AMERICA HAS BEEN INVOLVED IN AT LEAST THE LAST 3 ATTEMPTS. VOLVO NA, COMPLETELY NON-RESPONSIVE. PROBLEM USED TO BE INFREQUENT, NOW IT IS MUCH MORE REGULAR. THE CAR DID NOT GO 24 HOURS AFTER THE SYSTEM WAS REPLACED WITHOUT FAILURE. THE PROBLEM IS A SAFETY ISSUE AS YOU LOOSE NAVIGATION ASSISTANCE AT RANDOM INTERVALS SUCH AS TO OUT TO A NEW LOCATION DOWNTOWN OR ON A 3 HOUR HIGHWAY TRIP (3X) WITH LIMITED ACCESS TO PULL OVER. MANUFACTURER SEEMS UNABLE TO EITHER DIAGNOSE OR REPAIR. OTHER...