The following pages explain your vehicle's safety features and how to use them properly. The safety precautions below are ones that we consider to be among the most important. |
Honda Odyssey Owners Manual > Information: Emissions Testing
Testing of Readiness Codes Your vehicle uses “readiness codes,” as part of its onboard self diagnostic system. Some states refer to these codes during testing to see if your vehicle's emissions components are working properly. The codes may not be read if you go through the testing just after th ...