When maintenance is due, the system message indicator comes on and a message appears on the display every time you turn the vehicle on. The messages notify you when to change the engine oil, or when to bring your vehicle to a dealer for indicated maintenance services.
U.S. models
Maintenance, replacement, or repair of emissions control devices and systems may be done by any automotive repair establishment or individuals using parts that are certified to EPA standards.
According to state and federal regulations, failure to perform maintenance on the maintenance main items marked with # will not void your emissions warranties. However, all maintenance services should be performed in accordance with the intervals indicated by the .