Mazda 3 Sedan 2020 Owner's Manual page 224

When Driving
Brake
▼ Brake Override System
The brake override system applies the
brake first for safety if the brake pedal
and accelerator pedal are depressed at
the same time.
NOTE
Operation of the brake override system
can be turned on or off.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
4-70