Two problems related to adaptive cruise control have been reported for the 2020 Mazda CX-5. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2020 Mazda CX-5 based on all problems reported for the 2020 CX-5.
I was traveling behind a propane truck, that was going to make a right turn. I disengaged the adaptive cruise control by tapping on the break. I began coasting to a stop, suddenly the car began accelerating again with no warning. I was forced to make the turn with the propane truck and side swiped the truck in the process.
1st issue - system monitor restarts without warning. Just driving along with only one iphone plugged in the monitor shows a spinning "wheel" saying restarting while driving, 2nd issue - with two iphones plugged in it starts having more issues. Stops charging second iphone connects then reconnects constantly. Then stops (see picture) 3rd issue - with only one iphone plugged in and running navigation from iphone, the system disconnects from iphone but no voice unless we disconnect, 4th issue - while driving in adaptive cruise control and braking for people stopping the cruise control will not re-start. It shows on- keep pressing resume - but will not engage (above 40 mph) then after a few minutes it does respond to the resume command.