Mazda 3 Sedan 2020 Owner's Manual page 134

Before Driving
Mirrors
▼ Rearview Mirror
WARNING
Do not stack cargo or objects higher
than the seatbacks:
Cargo stacked higher than the
seatbacks is dangerous. It can block
your view in the rearview mirror, which
might cause you to hit another car
when changing lanes.
Rearview mirror adjustment
Before driving, adjust the rearview
mirror to center on the scene through
the rear window.
NOTE
For the manual day/night mirror,
perform the adjustment with the day/
night lever in the day position.
3-32
Reducing glare from headlights
Manual day/night mirror
Push the day/night lever forward for
day driving. Pull it back to reduce glare
of headlights from vehicles at the rear.
1. Day/Night lever
2. Night
3. Day
Auto-dimming mirror
The auto-dimming mirror
automatically reduces the glare of
headlights from vehicles at the rear
when the ignition is switched ON.