Disappointed
1. Powertrain Deceleration / Acceleration Failure: While operating the vehicle in traffic, the vehicle suddenly decelerated and resisted acceleration when the gas pedal was pressed down for a span of approximately 3 miles. The vehicle would only move if the pedal was pressed extremely gently. Turning the car off and restarting it resolved the issue. Happened a 2nd time for a short period of time. 2. Automatic Brake Hold System Glitch: The Automatic Brake Hold feature glitched into a forced-active state. Every time the vehicle came to a stop, the Auto-Hold system automatically engaged itself and completely refused to turn off or disengage, ignoring both manual physical console button presses and pedal inputs. This condition persisted until the vehicle ignition was turned off and restarted two consecutive times. 3. Climate Control / HVAC Malfunction: The cabin air flow drops unexpectedly from a high setting to a low setting for brief moments before returning to high, completely independent of the "Eco" climate setting. 4. Infotainment / Wireless Network Reset: The internal vehicle Wi-Fi network name unexpectedly reverted to "Hyundai_ctyl" demanding a password not provided in the owner's manual. I have previously presented this vehicle to an authorized Hyundai dealership service department numerous times for repair regarding these specific issues. However, the service department informed me they were unable to diagnose or replicate the issues, and no permanent diagnostic trouble codes (DTCs) were identified because cycling the vehicle's ignition clears the temporary software or communication.
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