2004 Chevrolet Cavalier Owner's Manual - Page 131

Passlock® Warning Light Check Gages Warning Light United States Canada United States Canada This light will come on briefly when you turn the key to START. If the light flashes, the Passlock® system has entered a tamper mode. If the vehicle fails to start, see Passlock® on page 2-15. On vehicles equipped with the remote keyless entry system, when the ignition is off and the security system is armed, the light will flash to indicate that the security system is active. If the light comes on continuously while driving and stays on, there may be a problem with the Passlock® system. Your vehicle will not be protected by Passlock®, and you should see your dealer. This light will come on briefly when you are starting the engine. If it comes on and stays on while you are driving, check your various gages to see if they are in the warning zones or if you are low on fuel. See Engine Coolant Temperature Gage on page 3-28 and Fuel Gage on page 3-34. 3-33