Instruments Common Lightbar Lamps Fuel Filter Restriction Indicates the fuel filter has been clogged and requires service. TO START Wait To Start Illuminates when starting the engine during cold conditions. Wait until the lamp goes out before turning the ignition key to START. WAIT Transmission Overheat Indicates high transmission temperature. CHECK TRANS Check Transmission Indicates an undesirable transmission condition. Service Transmission Indicates a transmission service is due. Rear Suspension Low Air Pressure Indicates that the rear suspension air pressure is below operating range. WHEEL SPIN Wheel Spin Indicates that the ATC function is engaged.
Table 3.1, Common Lightbar Lamps Engine Protection System fault type) if the condition does not improve. Bring the vehicle to a stop on the side of the road before the engine shuts down. WARNING When the red STOP engine lamp illuminates, most engines are programmed to shut down au- tomatically within 30 seconds. The driver must immediately move the vehicle to a safe location at the side of the road to prevent causing a haz- ardous situation that could cause bodily injury, property damage, or severe damage to the en- gine. Some vehicles may have a shutdown-override switch, which may be used to momentarily override the shutdown sequence.
See Chapter 10 for detailed information regarding the shutdown process. IMPORTANT: Do not attempt to restart the en- gine while the vehicle is moving. Bring the ve- hicle to a safe stop, then restart the engine. To restart the engine, turn the ignition switch to OFF, leave it there a few seconds, then turn the switch to START. The engine will run for a short period and shut down again if the condition does not improve. The STOP engine lamp illuminates when the engine protection system is activated. On some engines, the engine protection system will derate the engine, al- lowing it to run at lower rpm and slower vehicle speed. Drive the vehicle to a safe location or to a service facility.
Standard Instruments Standard instruments are present on every vehicle. They are listed here in alphabetical order, to make the information easier to find. On other engines, the engine protection system will shut down the engine. It will first derate the engine, then shut it down completely 30 to 60 seconds after the indicator illuminates (depending on the critical 3.3