2021 Toyota Corolla Owners Manual - Maintenance

Maintenance

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Repair and replacement

It is recommended that genuine Toyota parts be used for repairs to ensure performance of each sys- tem. If non-Toyota parts are used in replacement or if a repair shop other than a Toyota dealer performs repairs, confirm the warranty cover- age.

Allow inspection and repairs to be performed by a Toyota dealer

Toyota technicians are

well-trained specialists and are kept up to date with the latest ser- vice information. They are well informed about the operation of all systems on your vehicle.

Keep a copy of the repair order. It proves that the maintenance that has been performed is under war- ranty coverage. If any problem should arise while your vehicle is under warranty, your Toyota dealer will promptly take care of it.

Scheduled maintenance should be performed at specified inter- vals according to the mainte- nance schedule.

For details about maintenance items and schedules, refer to the “Scheduled Maintenance Guide” or “Owner’s Manual Supplement”.

Resetting the message indicat- ing maintenance is required

After the required maintenance is performed according to the mainte- nance schedule, please reset the message.

To reset the message, follow the procedure described below:

Press or of the meter control switch to select .

Press or to select “Vehi- cle Settings” and then press and

hold .

Press or to select “Scheduled Maintenance” and

then press .

Press or to select “Yes” and then press .

A message will be displayed on the multi-information display when the reset procedure has been com- pleted.

The use of Toyota repair manuals is recommended.

For details about warranty cover- age, refer to the separate “Owner’s Warranty Information Booklet” or “Owner’s Manual Supplement”.

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7-2. Maintenance

The malfunction indicator lamp

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comes on indicating a temporary malfunction and your vehicle may not pass the I/M test.

The error code in the OBD sys- tem will not be cleared unless the vehicle is driven 40 or more times.

The OBD system determines that a problem exists some- where in the emission control system. Your vehicle may not pass the I/M test and may need to be repaired. Contact your Toyota dealer to service the vehicle.

When the battery is discon- nected or discharged

Readiness codes that are set during ordinary driving are erased. Also, depending on your driving habits, the readiness codes may not be completely set.

When the fuel tank cap is loose

Contact your Toyota dealer to prepare the vehicle for re-test- ing.