2017 D-Max, 88,000 miles. "Check system" & key symbol appear after 12 miles. Key fob will not restart vehicle once engine stopped until it has been taken out of range of the car for a period - half an hour seems to work. Dealer tried moving receiver down away from behind central display, radio, etc, saying it was related to radio warming, but that has not worked. Same occurs with both key fobs and no indication of low battery. This occurred later the same day that I damaged the towbar socket, letting in water. Three other faults also occurred the same day: 1) no reversing light when reverse gear selected. 2) no central display switching to rear camera when reverse selected (can switch to camera manually). 3) no GSI (gear shift indicator) number showing at all in any gear. Dealer says 1) & 2) are related to loose parking sensor shorting and blowing common fuse, and that 3) is due to faulty clutch switch and unrelated to 1) & 2). All seems too much of a coincidence to me, all faults occurring on same day. One possible common factor is heavy rain showers on that day, and vehicle left outdoors for several hours. Dealer now stumped re "Check system" issue. Thanks.