See also:

Troubleshooting
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Readiness for Inspection/Maintenance (I/M) testing
Some state/provincial and local governments may have Inspection/Maintenance (I/M) programs to inspect the emission control equipment on your vehicle. Failure to pass this inspection could prevent ...

Day and night brightness
The BLIS and/or CTA alert will automatically dim when the headlamp switch is in PARK, ON, or AUTO ON and night time darkness has been detected by the sun sensor. ...