Some Kia Sorento owners report experiencing concerning issues such as engine knocking, brake pulsating, and unexpected vehicle shutdowns despite having only 5,300 miles driven. Engine knocking is often indicative of serious engine problems, potentially caused by ignition or timing issues, worn lower engine parts, or low oil levels. Additionally, a pulsating brake pedal is commonly reported and may result from worn brake pads, improper brake caliper adjustments, or the need for brake rotor replacements. In cases of sudden engine shutdown, owners are advised to maintain pressure on the brake and avoid multiple steps to ensure safety, while using the electronic parking brake can trigger warning sounds and lights. Given the low mileage, it is recommended that owners have these issues inspected by a qualified mechanic or authorized Kia service center to effectively diagnose and address the underlying problems. Regular maintenance and timely repairs are crucial for the vehicle's longevity and performance.