Mazda CX-5: How automatic headlights use the light sensor
Market versions differ, including Canadian lighting behavior. Do not assume daytime running lights provide full nighttime lighting.
On an auto-light-equipped CX-5, AUTO allows the headlights to respond to ambient brightness with ignition ON. Keep the sensor unobstructed and check the lights when visibility is poor.
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Common questions
Can leaving the lights selected drain the battery?+
Avoid prolonged lighting with the engine stopped; the manual also describes an automatic switch-off timer.
SOURCES & SCOPE
Where this guide comes from
Written from the official references below, reviewed on 25 October 2026. This is a source-based guide, not a claim of hands-on vehicle testing.
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