If the combined instrument panel's information symbol illuminates with constant glow and the text message Park Assist System Service required is shown then parking assistance is disengaged.
Important
Under some circumstances, the parking sensors can give false warning signals due to external sound sources which emit the same ultrasound frequencies as those with which the system works.
Examples of such sources include horns, wet tyres on asphalt, pneumatic brakes and exhaust noises from motorcycles etc.