The High Beam Control System (HBC) operates to switch the headlights automatically between high and low beams after the ignition is switched ON and the headlight switch is in the AUTO and high beam position.
The High Beam Control System (HBC) determines that it is dark based on the brightness of the surrounding area. At the same time, the High Beam Control System (HBC) indicator light (green) in the instrument cluster illuminates.

NOTE
When the vehicle speed is less than about 20 km/h (12 mph), the High Beam Control System (HBC) switches the headlights to low beams.
High Beam Control System (HBC) (Some models)
Manual SwitchingMazda 6 Owners Manual: Windshield Wipers
Turn the wipers on by pressing the lever up or down.
With intermittent wiper
Variable-speed intermittent wipers
Set the lever to the intermittent position and choose the interval timing by
rotating the ring.
With auto-wiper control
Auto-wiper control
When the wiper lever is in the
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Mazda 6 Owners Manual: Steering gear and linkage disassembly
Caution
Place copper plates, rag, or similar material in a vise, when
securing the mounting bracket portion of the steering gear.
Disassemble in the order indicated in the table.
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Tie Rod Disassembly Note
1. Unclamp the washer.
2. Remove the tie rod.
Locknut (Adjusting Cover) D ...