2024 Hyundai Elantra Brakes Problems

Your car's adaptive cruise control is randomly slamming on the brakes hard — dropping your speed from 80 to 65 mph — even when there's no vehicle in front of you, regardless of lighting conditions or time of day. This has happened repeatedly over the past year and 34,000 miles with no warning lights, creating a serious collision risk if a vehicle is following closely behind you. The dealer and Hyundai have been unable to reproduce the issue, but you've found multiple online reports from other owners describing the same problem. Fixing this will likely require Hyundai to reprogram or replace the adaptive cruise control system and its forward collision sensors.