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A daytime running lamp (DRL, also daytime running light) is an automotive lighting and bicycle lighting device on the front of a road going motor vehicle or bicycle. [1] It is automatically switched on when the vehicle's handbrake has been pulled down, when the vehicle is in gear , or when the engine is started, emitting white, yellow , or ...
UN Regulation 37 covers motor vehicle filament lamps. These are categorized in three groups: those without general restriction that can be used in any application, those acceptable only for signalling lights (not for road illumination lamps), and those no longer allowable as light sources for new type approvals but still permitted for production as replacement parts.
Self-driving car, autonomous vehicle, or driverless car A vehicle that is capable of sensing its environment and moving safely with little or no human input. Service area. See rest area. Service road. See frontage road. Sidewalk, footpath, footway, or pavement A path along the side of a road. Shoulder A reserved lane by the verge of a road or ...
The extended lighting cycle usually ends when the vehicle's ignition has begun, or a gradual reduction in light emitted after a couple of minutes if the car is not started, called "theater" lighting. Interior lighting has been added on some vehicles at the bottom edge of the dashboard, illuminating the floor for front passengers, or underneath ...
Blackout driving lights are mounted on the driver's side of the vehicle, typically on the fender or grille. They give off a diffused beam of white light that takes the place of regular headlights when driving under blackout conditions. It is intended to give off just enough light for the driver to make their way.
When a speeding vehicle runs over the raised road lines, it produces a strong warning vibration to remind the car driver of deviation from the lane. [1] Perpendicular to driving directions, these marking lines are used for settled mainline toll plaza, ramp entrances, mountainous areas, continuous sharp turns, downhill sections and the end of ...
SpaceX rocket launches from the Vandenberg Space Force Base, some taking place between midnight and 5 a.m., have also triggered car alarms, loosened light fixtures, and knocked books and framed ...
A lane keeping assist mechanism can either reactively turn a vehicle back into the lane if it starts to leave or proactively keep the vehicle in the center of the lane. Vehicle companies often use the term "lane keep(ing) assist" to refer to both reactive lane keep assist (LKA) and proactive lane centering assist (LCA) but the terms are ...