Frequently Asked Questions

Why is an oil change important for a 2018 Toyota Mirai?

• The 2018 Toyota Mirai is a hydrogen fuel-cell electric vehicle and does not require a conventional internal-combustion engine oil change; however, proper lubrication and fluid maintenance remain essential to overall reliability and longevity.
• Maintenance of drive unit lubricants, cooling systems, and other fluid services prevents wear, preserves efficiency, and protects fuel cell and electric-drive components.
• Regular certified inspections catch potential issues early, preserving vehicle range, performance, and resale value.
• Choosing Nalley Toyota of Roswell ensures repairs and fluid services meet manufacturer specifications and that warranty-covered repairs are performed at a certified dealership.

How long does an 2018 Toyota Mirai oil change take?

• Because the Mirai does not use conventional engine oil, typical service visits for fluid checks, drive-unit lubricant service, or coolant inspection generally take 30–90 minutes depending on required tasks.
• If additional maintenance items or diagnostics are needed, the appointment may take longer; Nalley Toyota of Roswell provides clear estimates up front.
• We offer convenient online scheduling and efficient service bays to minimize your wait time while maintaining Toyota factory procedures.
• All work is completed by factory-trained technicians using Toyota-approved tools and fluids to ensure correct service and warranty compliance.

How much does an oil change cost for an 2018 Toyota Mirai?

• The 2018 Toyota Mirai does not require a conventional engine oil change; costs therefore vary by the specific fluid services performed, such as drive-unit lubricant, coolant service, or general maintenance inspections.
• Nalley Toyota of Roswell often costs less than independent shops when you factor immediate savings from service specials and long-term savings from properly performed, manufacturer-specified maintenance that helps avoid premature component failure.
• Using our dealership preserves warranty coverage—repairs covered under warranty must be performed at a certified dealership to remain fully protected.
• Contact our service department or view current offers on our Service Specials page to get an accurate estimate tailored to your Mirai’s needs.

How often should you get an oil change?

• The 2018 Toyota Mirai does not follow a conventional oil-change interval; instead, follow Toyota’s recommended maintenance schedule for checks and replacement intervals of drive-unit fluids, coolants, and other vehicle systems.
• Bring the Mirai to Nalley Toyota of Roswell for routine service inspections at regular intervals listed in the owner’s manual, or whenever the service reminder indicates attention is needed.
• Regular dealership visits ensure fluids are inspected and topped to manufacturer specs, helping maintain range, safety, and component life.
• Our technicians log service history and can recommend the appropriate next service milestone to maximize long-term savings and preserve warranty coverage.

What type of oil does a 2018 Toyota Mirai take?

• The Mirai does not use conventional engine oil; any required lubricants (such as drive-unit gear oil) and coolants must be Toyota-approved fluids specific to the fuel-cell/electric drivetrain.
• Nalley Toyota of Roswell uses only manufacturer-recommended fluids and parts to ensure correct performance and compliance with warranty terms.
• Using approved fluids reduces wear, protects sensitive components, and preserves manufacturer warranties—repairs covered under warranty must be completed at a certified dealership.
• Contact our service department to confirm the exact fluids used for your Mirai and to schedule fluid maintenance with factory-trained technicians.

How much oil does a 2018 Toyota Mirai need?

• The 2018 Toyota Mirai has no conventional engine oil capacity; fluid capacities vary by component (drive-unit lubricant, coolant, etc.) and are specified in the owner’s manual.
• Nalley Toyota of Roswell will top fluids to manufacturer-specified levels and document capacities during service to ensure accurate maintenance records and performance preservation.
• For precise fluid volumes and service intervals, always consult the owner’s manual or bring the vehicle to our certified service center—repairs or replacements covered by warranty must be performed at a certified dealership to remain valid.
• Our technicians provide transparent inspections and recommendations so you understand what fluids were checked or replaced and why this protects your Mirai long term.