Mazda 3 Sedan 2020 Owner's Manual page 183

▼ Wrench Indication/Indicator Light
The wrench indication/indicator light
is displayed/turns on under the
following conditions.
When the preset maintenance

period has arrived.
Refer to the Information section in
the Mazda Connect Owner's
Manual.
CAUTION
When the maintenance period
arrives, have your vehicle inspected
by an Authorized Mazda Dealer as
soon as possible. If maintenance is
neglected, a decrease in vehicle
performance may occur which
could cause damage. Have your
vehicle inspected before the
maintenance period arrives.
If the vehicle continues to be
driven after the engine oil
replacement period has passed, it
could cause damage to the engine.
Replace the engine oil before the
maintenance period arrives.
NOTE
The wrench indication/indicator

light may display/turn 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.
Instrument Cluster and Display
When Driving
4-29