Other information:
Check
Turn the ignition ON, engine OFF.
Set the parking brake.
Place the gearshift in REVERSE (R) for rear parking aid sensors.
Place the gearshift in DRIVE (D) for front parking aid sensors...
Inspection and Verification
Verify the customer concern.
Visually inspect for obvious signs of mechanical or electrical damage.
If an obvious cause for an observed or reported concern is
found, correct the cause (if possible) before proceeding to the next
step...