Defensive driving means "always expect the unexpected." The first step in driving defensively is to wear the seat belt. See Seat Belts.
Anticipate what they might do and be ready.
Distracted Driving
Drunk DrivingHeated Mirrors
For vehicles with heated mirrors:
The heated outside mirrors turn on
when the rear window defogger is
on and help to clear fog or frost from
the surface of the mirrors.
: This button is on the climate
control panel.
See "Rear Window Defogger" under
Dual Automatic Climate Control
System ...