2008 Dodge Ram 2500 Pickup Owner Manual Diesel - Page 200

198 UNDERSTANDING YOUR INSTRUMENT PANEL CAUTION! The TPMS has been optimized for the original equipment tires and wheels. TPMS pressures and warning have been established for the tire size equipped on your vehicle. Undesirable system operation or sensor damage may result when using replacement equipment that is not of the same size, type, and/or style. Aftermarket wheels can cause sensor damage. Do not use tire sealant from a can, or balance beads if your vehicle is equipped with a TPMS, as damage to the sensors may result. TPMS "Light Load" Reset Switch - If Equipped The TPMS "Light Load" reset switch allows you to choose between Light Load vehicle conditions and Max Load vehicle conditions tire pressures and related TPMS warning levels. The switch is located in the instrument panel, below the climate control panel. For additional information refer to "Tire Pressure Monitoring System (TPMS) - If Equipped" in section 5 of this manual. 25. Transmission Oil Temperature Warning Light (Automatic Transmissions Only) This light indicates that there is excessive transmission fluid temperature that might occur with severe usage such as trailer towing. It may also occur when operating the vehicle in a high torque converter slip condition, such as 4-wheel drive operation (e.g., snow plowing, off-road operation). If this light comes on, stop the vehicle and run the engine at idle or faster, with the transmission in NEUTRAL until the light goes off. 26. Wait To Start Indicator The Wait To Start indicator will illuminate when the ignition is turned to the run position and the intake manifold temperature is below 66°F (19°C).