What is Acura A1 Service? header
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Acura A1 service refers to an Acura service code that informs you when service is due on your vehicle and what services are required. An Acura A1 service code, specifically, indicates that your Acura RDX or Acura MDX is due for an oil change and tire rotation. Through Acura Maintenance Minder™, you will be informed when scheduled maintenance is due based on your driving style, road conditions and other factors that can impact your vehicle's performance and longevity. Contact our Acura dealership in Glendale, CA, to learn more about Acura A1 service, Acura B1 service and other Acura service codes you may see pop up on your Acura Maintenance Minder™ interface.

What Is Acura Maintenance Minder™?

Acura Maintenance Minder™ informs Acura drivers when maintenance is due on their vehicle. The system message indicator appears on the multi-information display every time you turn your car or SUV on. The Acura Maintenance Minder™ codes dictate which type of maintenance your vehicle needs.

What are the Acura Service Codes?

Acura Maintenance Minder™ service codes help you determine exactly what type of service your vehicle needs. For example, an Acura B1 service code indicates that your vehicle needs far more maintenance than if an Acura A1 service code were to appear. On Acura Maintenance Minder™, letters refer to main maintenance items while numbers refer to maintenance sub items. The Acura service codes are:

Acura Service Codes What It means
A Replace engine oil*
B

Replace engine oil* and oil filter, Inspect front and rear brakes­, Check parking brake adjustment­, Check expiration date for temporary tire repair kit bottle(if equipped), Inspect tie rod ends, steering gearbox, and boots, Inspect suspension components,  Inspect driveshaft boots, ­Inspect brake hoses and lines (including ABS/VSA), Inspect all fluid levels and condition of fluids, Inspect exhaust system**, ­Inspect fuel lines and connections**
Maintenance Sub Items What It means
1 Rotate Tires
2

Replace air cleaner element***, Replace dust and pollen filter****, Inspect drive belt
3

Replace transmission fluid*****
4

Replace spark plugs, Replace timing belt and inspect water pump******, Inspect valve clearance
5

Replace engine coolant
6

Replace rear differential fluid
Questions on Recalls? Service Specials Parts Specials

Schedule Acura service today if your Acura Maintenance Minder™ is alerting you of any necessary maintenance. See how you could score Acura A1 service coupons and learn everything else you need to know about the Acura Maintenance Minder™ codes.

*If the message SERVICE DUE NOW does not appear more than 12 months after the display is reset, change the engine oil every year.
**See information on maintenance and emissions warranty.
***If you drive in dusty conditions, replace the air cleaner element every 15,000 miles (24,000 km).
****If you drive primarily in urban areas that have high concentrations of soot in the air from industry and diesel-powered vehicles, replace the dust and pollen filter every 15,000 miles (24,000 km).
*****Driving in mountainous areas at very low vehicle speeds or trailer towing results in higher transmission and transfer temperatures. This requires transmission and transfer fluid changes more  frequently than recommended by the Maintenance Minder. If you regularly drive your vehicle under these conditions, have the transmission fluid changed at 60,000 miles (100,000 km), then every 30,000 miles (48,000 km).
******f you drive regularly in very high temperatures (over 110 °F/43 °C), in very low temperatures.

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