LADDER FRAME Ladder frames are used in vehicles with body-on-frame layouts, and is usually shapped like a large metallic ladder. In recent years, only pickup trucks and certain SUVs are still using this chassis solution, while other types of cars have switched to unibody constructions. Lower Anchors and Tethers for Children LATCH Lower Anchors and Tethers for Children (LATCH) refer to a standardized system for child seat attachment, required by US and Canada legislation to be used in new vehicles. in other parts of the world it is known as ISOFIX. Lane Departure Warning system LDW The lane departure warning system is a newly introduced safety technology in use by various manufacturers. Most LDW assistance features can identify a vehicle's position in relation to the road's lane boundary markings using cameras or laser sensors integrated into the vehicle. If the vehicle should deviate from bet...