Clean the Rear Park Assist sensors with water, car wash soap and a soft cloth. Do not use rough or hard cloths. In washing stations, clean sensors quickly keeping the vapor jet/high pressure washing nozzles at least 4 in (10 cm) from the sensors. Do not scratch or poke the sensors. Otherwise, you could damage the sensors.
See also:
Air cleaner
REPLACEMENT
Petrol versions
Loosen the screws on the side and on the air cleaner cover, remove the cover
A-fig. 17 and remove the filtering element to be replaced.
1.9 Multijet versions
Loosen ...
15. Tire Pressure Monitoring Telltale Light
Each tire, including the spare (if provided), should be checked monthly when
cold and inflated to the inflation pressure recommended by the vehicle manufacturer
on the vehicle placard or tire in ...
High temperature engine coolant fluid
Turning the ignition key to MAR the warning light on the dial turns on, but it
should go off after few seconds.
The warning light turns on (on certain versions together with the message on
th ...