During cold weather
The concentration should be checked before the start of cold weather and anti-freeze added to the system if necessary to prevent damage to engine and radiator due to freezing.
See also:
ACD control mode
Select the control mode from the following three types to suit the driving conditions.
...
Washing
Chemicals contained in the dirt and dust picked up from the road surface can
damage the paint coat and body of your vehicle if left in prolonged contact.
Frequent washing and waxing is the best way ...
Ventilation slots
The ventilation slots in front of the windscreen should be brushed clear after
a heavy snowfall so that the operation of the heating and ventilation systems will
not be impaired. ...