2011 Volvo S60 Owner's Manual - Page 147

04 Comfort and driving pleasure Adaptive Cruise Control (ACC)* NOTE If the accelerator pedal is only depressed for a short time, such as when passing another vehicle, ACC is deactivated temporarily and is reactivated when the pedal is released. Special ACC functions The following ACC functions are linked to your vehicle's automatic transmission. • By pressing • By accelerating up to at least 3 mph (4 km/h) Your vehicle will then resume following the vehicle ahead at the set time interval. Enhanced speed interval Your vehicle can maintain the set time interval to the vehicle ahead at any permissible speed, including a complete stop. In order to activate ACC at speeds below 20 mph (30 km/h): Automatic standby mode Adaptive cruise control is linked to other systems such as the stability and traction control system (DSTC). If this system is not functioning properly, adaptive cruise control is automatically deactivated and will go into standby mode. In the event of automatic deactivation, an audible signal will sound and the message Cruise control Cancelled is shown in the display. The driver must then intervene and adapt the vehicle's speed to the surrounding traffic and regulate the distance to the vehicle ahead. An automatic switch to standby mode may be caused if: NOTE ACC can remain active and keep your vehicle at a standstill for up to 2 minutes. After 2 minutes have elapsed, the parking brake will be engaged and ACC will go into standby mode. To reactivate ACC, the driver must release the parking brake (see page 117 and press . • The vehicle ahead must be within a reasonable distance (not farther away than approx. 100 ft/30 meters) 04 • The lowest speed that can be selected is 20 mph (30 km/h), although ACC will also help maintain the set time interval to the vehicle ahead at lower speeds, including a complete stop. During short stops (less than approximately 3 seconds) in slow-moving traffic, your vehicle will begin moving again automatically as soon as the vehicle ahead begins to move. If it takes more than 3 seconds for the vehicle ahead to begin moving, ACC will be automatically go into standby mode. The driver will then have to reactivate ACC in one of the following ways: Automatic standby mode when ACC changes target vehicles the wheels lose traction brake temperature is high engine speed (rpm) is too low or too high the radar sensor is obstructed by, for example, wet snow or rain. If the vehicle ahead turns suddenly, there may be a stationary vehicle ahead `` * Option/accessory, for more information, see Introduction. 147