Mazda 3 Sedan 2020 Owner's Manual page 167

▼ Tachometer
The tachometer shows engine speed in
thousands of revolutions per minute
(rpm).
CAUTION
Do not run the engine with the
tachometer needle in the RED ZONE.
This may cause severe engine damage.
1. STRIPED ZONE
*1
2. RED ZONE
*
1 The range varies depending on the type of
gauge.
NOTE
When the tachometer needle enters
the STRIPED ZONE, this indicates to
the driver that the gears should be
shifted before entering the RED ZONE.
*1
Instrument Cluster and Display
When Driving
4-13