2008 Dodge Ram 2500 Pickup Owner Manual Diesel - Page 144

142 UNDERSTANDING THE FEATURES OF YOUR VEHICLE Vehicles equipped with a 4-speed automatic transmission may exhibit several 4-3 downshifts under the above conditions. To reduce the frequency of the downshifts and to improve vehicle performance, it is advisable to lock out overdrive by pressing the O/D OFF button located at the end of the gear shifter. OVERHEAD CONSOLE WITH ELECTRONIC VEHICLE INFORMATION CENTER (EVIC) - DIESEL ONLY The overhead console contains dome/reading lights, and an Electronic Vehicle Information Center (EVIC). Dome/Reading Lights Located in the overhead console are two dome/reading lights. The dome/reading lights illuminate when a door is opened or when the interior lights are turned on by rotating the dimmer control located on the headlight switch. The reading lights are activated by pressing on the recessed area of the corresponding lens. NOTE: The dome/reading lights will remain on until the switch is pressed a second time, so be sure they have been turned off before leaving the vehicle. WARNING! Speed control can be dangerous where the system can't maintain a constant speed. Your vehicle could go too fast for the conditions, and you could lose control. An accident could be the result. Don't use speed control in heavy traffic or on roads that are winding, icy, snow-covered, or slippery.