2008 Subaru Impreza Owner's Manual - Page 273

Starting and operating 7-51 ! To decrease the speed (by button) desired speed, press the "SET/COAST" button once. Now the desired speed is set and the vehicle will keep running at that speed without depressing the accelerator pedal. & Cruise control indicator light Turbo models except WRX STI Push the "SET/COAST" button and hold it until the vehicle reaches the desired speed. Then, release the button. The vehicle speed at that moment will be memorized and treated as the new set speed. When the difference between the actual vehicle speed and the set speed is less than 4 mph (6.8 km/h), the set speed can be lowered 1 mph (1.6 km/h) each time by pressing the "SET/COAST" button quickly. ! To decrease the speed (by brake pedal) 1. Depress the brake pedal to release cruise control temporarily. 2. When the speed decreases to the WRX STI Non-turbo models The cruise control indicator light illuminates when the ignition switch is turned to the "ON" position and goes out after approximately 3 seconds. - CONTINUED -