fixes some vehicle stuff, and some random code that ended up commented

code/controllers/subsystem/interior.dm

@@ -19,7 +19,17 @@ SUBSYSTEM_DEF(interior)
 
 	var/list/bottom_left = reserved_area.bottom_left_coords
 
-	template.load(locate(bottom_left[1] + (INTERIOR_BORDER_SIZE / 2), bottom_left[2] + (INTERIOR_BORDER_SIZE / 2), bottom_left[3]), centered = FALSE)
+	var/list/bounds = template.load(locate(bottom_left[1] + (INTERIOR_BORDER_SIZE / 2), bottom_left[2] + (INTERIOR_BORDER_SIZE / 2), bottom_left[3]), centered = FALSE)
+
+	var/list/turfs = block( locate(bounds[MAP_MINX], bounds[MAP_MINY], bounds[MAP_MINZ]),
+							locate(bounds[MAP_MAXX], bounds[MAP_MAXY], bounds[MAP_MAXZ]))
+
+	var/list/areas
+	for(var/turf/current_turf as anything in turfs)
+		areas |= current_turf.loc
+
+	for(var/area/current_area as anything in areas)
+		current_area.add_base_lighting()
 
 	interiors += interior
 	return reserved_area

code/game/machinery/doors/alarmlock.dm

@@ -25,7 +25,6 @@
 	return ..()
 
 /obj/structure/machinery/door/airlock/alarmlock/receive_signal(datum/signal/signal)
-/*
 	..()
 	if(inoperable())
 		return
@@ -41,4 +40,3 @@
 			if("minor", "clear")
 				autoclose = 0
 				open()
-*/

code/modules/vehicles/multitile/multitile.dm

@@ -180,13 +180,12 @@
 		lighting_holder.set_light_range(vehicle_light_range)
 		lighting_holder.set_light_power(vehicle_light_power)
 		lighting_holder.set_light_on(vehicle_light_range || vehicle_light_power)
+	else if(light_range)
+		set_light_on(TRUE)
 
 	light_pixel_x = -bound_x
 	light_pixel_y = -bound_y
 
-	if(light_range)
-		set_light_on(TRUE)
-
 	healthcheck()
 	update_icon()
 
@@ -444,6 +443,7 @@
 
 /atom/movable/vehicle_light_holder
 	light_system = MOVABLE_LIGHT
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 
 /atom/movable/vehicle_light_holder/Initialize(mapload, ...)
 	. = ..()