2009 Chevrolet Aveo Owner's Manual - Page 154

Emissions Inspection and Maintenance Programs Some state/provincial and local governments have or might begin programs to inspect the emission control equipment on the vehicle. Failure to pass this inspection could prevent getting a vehicle registration. Here are some things to know to help the vehicle pass an inspection: Oil Pressure Light If the vehicle has low engine oil pressure, this light will stay on after the engine is started, or come on while driving. • The vehicle will not pass this inspection if the check engine light is on with the engine running, or if the key is in the ON/RUN and the light is not on. • The vehicle will not pass this inspection if the OBD II (on-board diagnostic) system determines that critical emission control systems have not been completely diagnosed by the system. The vehicle would be considered not ready for inspection. This can happen if the battery has recently been replaced or if the battery has run down. The diagnostic system is designed to evaluate critical emission control systems during normal driving. This can take several days of routine driving. If this has been done and the vehicle still does not pass the inspection for lack of OBD II system readiness, your dealer/retailer can prepare the vehicle for inspection. This indicates that the engine is not receiving enough oil. The engine could be low on oil, or could have some other oil problem. Have it fixed immediately by your dealer/retailer. The oil light could also come on in three other situations: • When the ignition is on but the engine is not running, the light will come on as a test to show it is working. The light will go out when the ignition is turned on. If it does not come on with the ignition on, there may be a problem with the fuse or bulb. Have it fixed right away. • If the vehicle comes to a hard stop, the light may come on for a moment. This is normal. 3-34