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2023 Honda CR-V Owner's Manual ➜ Testing of Readiness Codes

uuEmissions TestinguTesting of Readiness Codes  
5. Select a nearby, lightly traveled major highway where you can maintain a speed  
of 50 to 60 mph (80 to 97 km/h) for at least 20 minutes. Drive on the highway in  
(D. Do not use cruise control. When traffic allows, drive for 90 seconds without  
moving the accelerator pedal. (Vehicle speed may vary slightly; this is okay.) If you  
cannot do this for a continuous 90 seconds because of traffic conditions, drive for  
at least 30 seconds, then repeat it two more times (for a total of 90 seconds).  
6. Drive in city or suburban traffic for at least 10 minutes. When traffic conditions  
allow, let the vehicle coast for several seconds without using the accelerator pedal  
or the brake pedal.  
7. Park the vehicle and leave the power system off for 40 minutes.  
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