2012 Volvo XC70 Owner's Manual - Page 173

04 Comfort and driving pleasure Collision warning with Full Auto-brake and Pedestrian Detection* Operation Settings are made by pressing MY CAR on the center console control panel and using the menus displayed. Setting a warning distance This setting determines the distance at which the visual and audible warnings are triggered. Select Long, Normal or Short by pressing MY CAR on the center console control panel and going to Settings Car settings Driver support systems Collision Warning Warning distance. The warning distance determines the level of sensitivity used by the system. The warning distance Long provides an earlier warning. Begin by using Long and if the system gives too many warnings, try changing to Normal. NOTE • On and off To switch Collision Warning on or off, press MY CAR on the center console control panel and go to Settings Car settings Driver support systems Collision Warning. If Collision Warning is on, the system will perform a self-test each time the engine is started by briefly illuminating the warning light. See page 132 for more information about the menu system. When the engine is switched on, the Collision Warning setting that was being used when it was switched off will be the default setting. When Adaptive Cruise Control is used, the warning light and signal will be used by that function, even if the warnings provided by Collision Warning have been deactivated by the driver. In situations where traffic is moving at considerably different speeds, or if the vehicle ahead brakes suddenly, warnings may be considered to be late, even if the setting Long has been selected. • 04 Checking settings The current Collision Warning settings can be checked by pressing MY CAR on the center console control panel and going to Settings Car settings Driver support systems Collision Warning. WARNING • • • The setting Short should only be used in situations where traffic is light and moving at low speeds. Collision Warning alerts the driver to the risk of a collision but this function cannot reduce the driver's reaction time. For Collision Warning to be as effective as possible, it is recommended that Distance Alert be set to 4 or 5, see page 163. Activating/deactivating warning signals The collision warning system's visual signals are activated automatically when the engine is started if the collision warning system is switched on. The audible warning signal can be activated/ deactivated by pressing MY CAR on the center console control panel and going to Settings Car settings Driver support systems Warning sound if risk of collision. Limitations Strong sunlight, reflections, extreme light contrasts, the use of sunglasses, or if the driver is not looking straight ahead may make the visual warning signal in the windshield difficult to see. For this reason, always activate the audible warning signal. Slippery driving conditions increase braking distance, which can reduce the system's `` * Option/accessory, for more information, see Introduction. 173