2005 Jeep Grand Cherokee Owner Manual - Page 170

170 UNDERSTANDING YOUR INSTRUMENT PANEL 22. Electronic Throttle Control (ETC) Warning Light - If Equipped (5.7L Engine Only) This light informs you of a problem with the Electronic Throttle Control system. If a problem is detected the light will come on while the engine is running. Cycle the ignition key when the vehicle has completely stopped and the gear selector is placed in the P (Park) position. The light should turn off. If the light remains lit with the engine running your vehicle will usually be drivable, however, see your dealer for service as soon as possible. If the light is flashing when the engine is running, immediate service is required and you may experience reduced performance, an elevated/rough idle or engine stall and your vehicle may require towing. The light will come on when the ignition is first turned on and remain on briefly as a bulb check. If the light does not come on during starting, have the system checked by an authorized dealer. 23. Front Fog Light Indicator Light- If Equipped This light shows the front fog lights are ON. 24. Voltage Warning Light This light monitors the electrical system voltage. The light should turn on momentarily as the engine is started. If the light stays on or turns on while driving, it indicates a problem with the charging system. Immediate service should be obtained.