Black plate (18,1)Cadillac Escalade/Escalade ESV Owner Manual - 20125-18 Instruments and ControlsEmissions Inspection andMaintenance ProgramsSome local governments mayhave programs to inspect theon-vehicle emission controlequipment. For the inspection,the emission system test equipmentis connected to the vehicle’s DataLink Connector (DLC).The DLC is under the instrumentpanel to the left of the steeringwheel. See your dealer if assistanceis needed.The vehicle may not passinspection if:. The malfunction indicator lamp ison with the engine running, or ifthe light does not come on whenthe ignition is turned to ON/RUNwhile the engine is off. Seeyour dealer for assistance inverifying proper operation of themalfunction indicator 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 WarningLightWith the ignition on, the brakesystem warning light comes onwhen the parking brake is set. If thevehicle is driven with the parkingbrake engaged, a chime soundswhen the vehicle speed is greaterthan 5 km/h (3 mph).The 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 anda chime sounds there could be abrake problem. Have the brakesystem inspected by your dealer.This light can also come on due tolow brake fluid. See Brake Fluid onpage 10‑25 for more information.
