Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -2016 - crc - 11/6/15Driving and Operating 247LCA Detection Zones1. SBZA Detection Zone2. LCA Detection ZoneThe LCA sensor covers a zone ofapproximately one lane over fromboth sides of the vehicle, or 3.5 m(11 ft). The height of the zone isapproximately between 0.5 m (1.5 ft)and 2 m (6 ft) off the ground. TheSide Blind Zone Alert (SBZA)warning area starts at approximatelythe middle of the vehicle and goesback 5 m (16 ft). Drivers are alsowarned of vehicles rapidlyapproaching from up to 70 m (230 ft)behind the vehicle.How the System WorksThe LCA symbol lights up in theside mirrors when the systemdetects a moving vehicle in the nextlane over that is in the side blindzone or rapidly approaching thatzone from behind. A lit LCA symbolindicates it may be unsafe tochange lanes. Before making a lanechange, check the LCA display,check mirrors, glance over yourshoulder, and use the turn signals.Left Side MirrorDisplayRight Side MirrorDisplayWhen the vehicle is started, bothoutside mirror LCA displays willbriefly come on to indicate thesystem is operating. When thevehicle is in a forward gear, the leftor right side mirror display will lightup if a moving vehicle is detected inthe next lane over in that blind zoneor rapidly approaching that zone.If the turn signal is activated in thesame direction as a detectedvehicle, this display will flash as anextra warning not to change lanes.LCA can be disabled throughvehicle personalization using theSide Blind Zone Alert option. See“Collision/Detection Systems” underVehicle Personalization 0 157.If LCA is disabled by the driver, theLCA mirror displays will not light up.When the System Does NotSeem to Work ProperlyThe LCA system requires somedriving for the system to calibrate tomaximum performance. Thiscalibration may occur more quickly ifthe vehicle is driving on a straighthighway road with traffic androadside objects (e.g., guardrails,barriers).LCA displays may not come onwhen passing a vehicle quickly, fora stopped vehicle, or when towing atrailer. The LCA detection zonesthat extend back from the side ofthe vehicle do not move further backwhen a trailer is towed. Use cautionwhile changing lanes when towing a
