
The security light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. If the system is working normally, the indicator light turns off.
If the light stays on and the engine does not start, there could be a problem with the theft-deterrent system. See Immobilizer Operation.
Diesel Exhaust Fluid (DEF) Warning Light
High-Beam On LightImmobilizer System Component Programming Immobilizer
This procedure will learn the immobilizer function. If the battery voltage is low,charge the battery before proceeding with the learn. If the body control module (BCM)or engine control module (ECM) have been replaced, they must be programmed beforeperforming this learn procedure.Depending on the imm ...