2024 Hyundai Tucson Hybrid Electrical system Problems

“On March 6th, 2026, I spent the day running errands in normal driving conditions and it created a situation that did not charge the battery or switch to gasoline. Several error lights displayed seconds before the car died. The hazard lights failed within 15 minutes of waiting for a tow truck. The dealership service department charged the battery and gave me advice to run the car at least 30 minutes everyday even if runs only in the garage. They told me that it was user error because I don't need to drive a half hour per day. …”

“Third time SUV was parked for multiple days without being started and the main battery did not keep the charge. First time was five days and required a battery jump. Then it was 22 days, and as expected, the battery did not keep the charge and required a jump. This week it was eight days and same thing happened. I know the SUV is a hybrid but the main battery should not be run down to not be able to start the engine after a short time not being started. My brother has a 2014 Ford product hybrid and does not have any battery issues when that hybrid vehicle is not started for a period of time.”

“The contact owns a 2024 Hyundai Tucson. The contact stated that while operating the vehicle, the horn pad was pressed; however, the sound coming from the horn was extremely low. The vehicle was not yet repaired. The local dealer was notified of the failure, and an appointment was scheduled for the repair. The contact stated that the horn had been replaced twice for the same failure. The manufacturer was notified of the failure. The failure mileage was 12,907.”

“The contact owns a 2024 Hyundai Tucson. The contact stated that while the vehicle was parked, while attempting to enter the vehicle, the key fob failed to function as intended. The contact was unable to unlock the doors to the vehicle. The contact noticed that the battery was completely drained. The vehicle was taken to the dealer; however, the failure was not duplicated. The contact was informed that the vehicle needed to be started daily to prevent the battery from draining. The contact stated that the failure was persistent. …”

“Automatic headlight system causes the vehicle headlights to turn on and off during daylight conditions. The LCD display in the dashboard also dims to the point that the information presented cannot be read. This typically happens on bright, sunny days with a clear sky. Vehicle has been to the dealership in excess of seven times where they've made multiple attempts to repair it. The light sensor behind the windshield has been replaced. The body control module has been replaced. The technician also tried to make modifications to the light sensor, but the problem persists. …”