Mazda CX-5 2021 Owner's Manual page 214

When Driving
Instrument Cluster and Display
When the ignition is switched ON, the
wrench indicator light turns on and then
turns off after a few seconds.
The wrench indicator light turns on under
the following conditions:
When the preset maintenance period has

arrived.
When it's time to replace the engine oil.

Refer to the Information section in the
Mazda Connect Owner's Manual.
NOTE
The wrench indicator light turns on

earlier than the preset period depending
on vehicle usage conditions.
Whenever the engine oil is replaced, a

reset of the vehicle engine control unit is
necessary.
Refer to the Information section in the
Mazda Connect Owner's Manual.
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