2005 Jeep Wrangler Owner's Manual - Page 143

UNDERSTANDING YOUR INSTRUMENT PANEL 143 INSTRUMENT CLUSTER DESCRIPTION Your vehicle is equipped with the instrument cluster described on the following pages. 1. Voltmeter Indicates available battery voltage and charging system operation. The lower red zone indicates that battery charge may be too low to start the engine. With the engine running, the normal operating range is between 11 and 15 volts. Prolonged gauge readings between 8-11 (undercharge) or above 15 (overcharge) indicate possible malfunction of generator, voltage regulator or battery. See your dealer if such indications occur. 2. Front Fog Light Indicator Light - If Equipped This light shows when the front fog lights are on. 3. Cruise Indicator Light This light shows when the electronic speed control system is turned on. 4. Sentry Key Indicator Light - If Equipped Refer to "Sentry Key Immobilizer System" in Section 2 of this manual. 5. Tachometer Indicates the engine speed in revolutions per minute (RPM). 4 CAUTION! Do not operate the engine with the tachometer pointer in the red area. Engine damage will occur. 6. Turn Signal Indicator Lights The arrows will flash with the exterior turn signals when the turn signal lever is operated. A tone will chime if the turn signals are left on for more than 1 mile (2 km).