Black plate (21,1)Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-8087803) - 2015 -crc - 6/24/14Instruments and Controls 5-21The vehicle may not passinspection if:. The malfunction indicator lamp ison with the engine running, or ifthe vehicle is placed in ServiceOnly Mode and the malfunctionindicator lamp does not comeon. See your dealer forassistance in verifying properoperation of the malfunctionindicator lamp.. The OBD II (On-BoardDiagnostics) system determinesthat critical emission controlsystems have not beencompletely diagnosed. Thevehicle would be considered notready for inspection. This canhappen if the 12-volt battery hasrecently been replaced or rundown. The diagnostic system isdesigned to evaluate criticalemission control systems duringnormal driving. This can takeseveral days of routine driving.If this has been done and thevehicle still does not pass theinspection for lack of OBD IIsystem readiness, your dealercan prepare the vehicle forinspection.Brake System WarningLightThe vehicle brake system consistsof two hydraulic circuits. If onecircuit is not working, the remainingcircuit can still work to stop thevehicle. For normal brakingperformance, both circuits need tobe working.If the warning light comes on, thereis a problem with the brakingsystem. Have the brake systeminspected right away.This light comes on briefly when thevehicle is turned on. If it does notcome on then, have it fixed so it willbe ready to warn if there is aproblem.If the light comes on and stays on,there is a base brake problem.{ WarningThe brake system might not beworking properly if the brakesystem warning light is on.Driving with the brake systemwarning light on can lead to acrash. If the light is still on afterthe vehicle has been pulled offthe road and carefully stopped,have the vehicle towed forservice.
