2006 Dodge Ram 3500 Pickup Owner Manual Diesel - Page 132

132 UNDERSTANDING THE FEATURES OF YOUR VEHICLE To Vary The Speed Setting When the speed control is on, speed can be increased by pressing and holding the ACCEL button. When the button is released, a new set speed will be established. Tapping the ACCEL button once will result in a 2 mph (3km/h) speed increase. Each time the button is tapped, speed increases so that tapping the button three times will increase speed by 6 mph (10 km/h), etc. Tapping the DECEL button once will result in a 1 mph (2 km/h) speed decrease. Each time the button is tapped, speed will decrease. For example, tapping the button 3 times will decrease the speed by 3 mph (5 km/h), etc. To decrease speed while the speed control is on, press and hold the DECEL button. Release the button when the desired speed is reached, and the new speed will be set. To Accelerate For Passing Depress the accelerator as you would normally. When the pedal is released, the vehicle will return to the set speed. NOTE: When driving uphill, at elevations above 2,000 ft. (610 meters), or when the vehicle is heavily loaded (especially when towing) the vehicle may slow below the SET speed. If the vehicle speed drops below 35 mph (56 km/h), the speed control will automatically disengage. If this happens, you can push down on the accelerator pedal to maintain the desired speed. Vehicles equipped with a 6-speed manual transmission should be operated in 4th or 5th gear under the above conditions. 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.