See also:

Heated mirrors (if so equipped)
Some outside mirrors can be heated to defrost, defog, or de-ice for improved visibility. For additional information, see “Rear window and outside mirror defroster switch” in the “Instruments ...

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

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 ...