2014 Chevrolet Impala Owner Manual - Page 262

9-54 Driving and Operating If the SBZA displays do not light up when vehicles are in the blind zone and the system is clean, the system may need service. Take the vehicle to your dealer. When SBZA is disabled for any reason other than the driver turning it off, the Side Blind Zone Alert On option will not be available on the personalization menu. When the vehicle crosses a detected lane marking, the LDW indicator will flash and three beeps will be sounded from the left or right side, depending on the lane departure direction. LDW will not warn if the turn signal is on in the departure direction, or if a sharp maneuver is made. of the vehicle. This is normal system operation; the vehicle does not need service. SBZA may not always alert the driver to vehicles in the side blind zone, especially in wet conditions. The system does not need to be serviced. The system may light up due to guardrails, signs, trees, shrubs, and other non-moving objects. This is normal system operation; the vehicle does not need service. SBZA may not operate when the SBZA sensors in the left or right corners of the rear bumper are covered with mud, dirt, snow, ice, or slush, or in heavy rainstorms. For cleaning instructions, see "Washing the Vehicle" under Exterior Care on page 10-77. If the DIC still displays the system unavailable message after cleaning both sides of the vehicle toward the rear corners of the vehicle, see your dealer. FCC Information See Radio Frequency Statement on page 13-15. { Warning The LDW system is an aid to help the vehicle stay in the driving lane. It does not steer the vehicle. The LDW system may not: . Lane Departure Warning (LDW) If equipped, LDW may help avoid crashes due to unintentional lane departures. It may provide a warning if the vehicle is crossing a detected lane without using a turn signal. LDW uses a camera sensor to detect the lane markings. It only operates at speeds of 56 km/h (35 mph) or greater. Provide enough time to avoid a crash. Detect lane markings under bad weather conditions or if the windshield is dirty. Detect lane markings and will not detect road edges. (Continued) . .