2014 Chevrolet Silverado 1500 Regular Cab Owner Manual - Page 323

Driving and Operating visibility. FCA will not detect another vehicle ahead until it is completely in the driving lane. Collision Alert Tailgating Alert 9-69 { Warning FCA does not provide a warning to help avoid a crash, unless it detects a vehicle. FCA may not detect a vehicle ahead if the FCA sensor is blocked by dirt, snow, or ice, or if the windshield is damaged. It may also not detect a vehicle on winding or hilly roads, or in conditions that can limit visibility such as fog, rain, or snow, or if the headlamps or windshield are not cleaned or in proper condition. Keep the windshield, headlamps, and FCA sensors clean and in good repair. The vehicle ahead indicator will display amber when you are following a vehicle ahead much too closely. When your vehicle approaches another vehicle too rapidly, six red lights will flash on the windshield. In addition, either eight beeps will sound from the front, or both sides of the Safety Alert Seat will pulse five times.