See also:

Call volume
Adjusting the incoming or outgoing call volume may improve clarity if reception between callers is unclear. ● Incoming call—adjusting this setting allows you to hear a difference in volu ...

Relative humidity
Corrosion will be accelerated in areas of high relative humidity, especially those areas where the temperatures stay above freezing and where atmospheric pollution exists and road salt is used. ...

Operating tips
Clear snow and ice from the wiper blades and air inlet in front of the windshield. This improves heater operation. ...