2014 Buick LaCrosse Owner Manual - Page 226

9-48 Driving and Operating Warning (Continued) Audible or Safety Alert Seat Some driver assistance features alert the driver of obstacles by beeping. To change the volume of the warning chime, see "Comfort and Convenience" under Vehicle Personalization on page 5-43. If equipped with the Safety Alert Seat, the driver seat cushion may provide a vibrating pulse alert instead of beeping. To change this, see "Collision/Detection Systems" under Vehicle Personalization on page 5-43. When the vehicle is shifted into R (Reverse), the RVC displays an image of the area behind the vehicle in the center stack display. When the vehicle is shifted out of R (Reverse), the screen returns to the previous content, after a short delay. To return to this previous screen sooner, press one of the radio buttons. If the message Service Rear Camera System is displayed, the vehicle may need service. . Detect children, pedestrians, bicyclists, or animals. Detect vehicles or objects outside the area monitored by the system. Work at all driving speeds. Warn you or provide you with enough time to avoid a crash. Work under poor visibility or bad weather conditions. Work if the detection sensor is not cleaned or is covered by ice, snow, mud, or dirt. . . . . . { Warning The RVC system does not display children, pedestrians, bicyclists, animals, or any other object located outside the camera's field of view, below the bumper, or under the vehicle. Perceived distances may be different from actual distances. Do not back the vehicle using only the RVC screen, during longer, higher (Continued) Complete attention is always required while driving, and you should be ready to take action and apply the brakes and/or steer the vehicle to avoid crashes. Assistance Systems for Parking or Backing When the vehicle is in R (Reverse), the Rear Vision Camera (RVC) and Rear Parking Assist may help the driver to avoid a crash or to reduce crash damage while parking or backing. Some models may also have the Rear Cross Traffic Alert (RCTA) feature.