I don't have the documents for a CX-3, but the following info for an MX-5 shows that aiming the Forward Sensing Camera (FSC) is a bit of a palaver involving the Mazda diagnostics computer and a target, and needs to be performed if the camera or its clip are tampered with or the windscreen is replaced or the ride height is altered:- http://mazdaman.x10host.com/sm353673/SoonerV8 wrote: ↑Thu Jan 10, 2019 1:41 pm I finally have given up. My local dealership, under instruction from Mazda UK, have had my CX3 twice to try and make sense of non functioning adaptive headlights (apart from bending round corners that is) , non functioning road sign recognition and very erratic lane departure warning...
I haven't got High Beam Control (HBC) or Adaptive LED Headlights (ALH) on my model, so I can't comment on how well those systems work and whether your car is any worse than others, but there are sections in the 2018 Owner's Manual that lists a plethora of conditions that may cause either system not to adjust the beam in a timely manner:-
HBC -The timing in which the system switches the headlights changes under the following conditions. If the system does not switch the headlights appropriately, manually switch between high and low beams according to the visibility as well as road and traffic conditions.
When there are sources of light in the area such as street lamps, illuminated signboards,
and traffic signals.
When there are reflective objects in the surrounding area such as reflective plates and
signs.
When visibility is reduced under rain, snow and foggy conditions.
When driving on roads with sharp turn or hilly terrain.
When the headlights/rear lamps of vehicles in front of you or in the opposite lane are dim
or not illuminated.
When there is [in]sufficient darkness such as at dawn or dusk.
When the luggage compartment is loaded with heavy objects or the rear passenger seats
are occupied.
When visibility is reduced due to a vehicle in front of you spraying water from its tyres
onto your windscreen.
ALH -
I have got Lane Departure Warning System (LDWS} but drive with it switched off most of the time due to false activations. I'm pretty sure it's down to the condition of the road surface on the country roads I drive on. I'm sure it works well on a flat motorway with consistent white lines.