Adaptive Cruise Control problems of the 2022 Hyundai Santa Fe

Vehicle began to display front collision avoidance system error/ radar blocked. This also disabled the 'Smart' cruise control features. This happened any time the cruise control was engaged and we encountered traffic. The unit was in the dealer's service department for a week, and the front radar module was replaced and reprogrammed under warranty.

I was driving at approximately 65 mph using the advanced cruise control system. Randomly, the system disengaged and I started getting 2 mil warnings on my console. Mil warning 1) was "check forward safety system" and 2) warning the advanced cruise control parameters are not met due to warning 1. A few minutes later, I received a message on my Hyundai blue link app showing dtc c162078. After researching this dtc, I found that there are hundreds, if not thousands, of other drivers that experienced this same/similar situation -- unexpected loss of advanced safety features and Smart cruise control features. In fact, Hyundai published a technical bulletin for another model with the same issue. The loss of these functions places an unexpected safety risk to the driver if this issue occurs when there is other traffic present. My vehicle was involved in a frontal accident once about 1. 5 years ago and this issue has never occurred. This is the first instance of this issue since I purchased the vehicle brand new from the dealer.

Hi team, issue 1: unexpected acceleration: recently I found that is there is unexpected additional acceleration when I press gas pedal initially after changing gears from p to d. I am setting up an appointment with dealer to report and investigate this issue. My car has only around 13000 miles on it. This issue was initially observed when one morning when I headed somewhere there is unexpected acceleration when I slightly press gas pedal. Issue 2: the advanced driver assistance systems (adas) doesn't work properly when set to adaptive cruise control. It doesn't slow down /stop when getting close to cars parked at signal specially as slight curvy roads.