CUSTOMER CONCERN After collision repairs, the parking-assist system stores DTCs C1AED and C1AF8 for rear sensor communication faults. CAUSE The rear intelligent-clearance sonar sensors had not been correctly aimed and registered after the collision repair. CORRECTION Perform the rear ultrasonic-sensor detection-angle procedures and intelligent-clearance sonar registration, clear DTCs C1AED and C1AF8, and verify parking-assist operation.