I some cases. They can not if there are parts to be removed to gain access to the light. They can not be outside for very long.
Any auto shop such as Auto Zone will have headlight replacement bulbs. Also general stores such as Sears or Kmart offers replacement bulbs in their auto sections.
If it is an easy replacement they will. If it is not easy they will pass on it.
One can purchase H1 bulbs in bulk online on sites such as Amazon, eBay, 1000 Bulbs, Sylvania, and Buy Headlight Bulbs. One can also have them special ordered in bulk at retailers such as Auto Zone and Advanced Auto.
Most won't, possibly some will. If the Mazda 6 manual is like the Mazda 3, its not too bad of a maintence to do yourself. See sources and related links below for bulb information on your Mazda 6.
The headlight replacement can be found in auto markets like Pep boys, Western Auto or Auto Zone. Also on internet shopping in the website that focus on auto repair.
One can purchase car light bulbs from the following sources: Demon Tweaks, eBay, LED Choice, Power Bulbs, Halfords, Power Bulbs, Auto Zone, Auto Bulbs Direct.
I went to Auto Zone, they will install it after you purchase it.
LED car bulbs can be purchased at any automotive center. Some place that would stock the LED car bulbs are Auto Zone, Advanced Auto Parts and NAPA. Sears and Walmart should also carry these types of bulbs.
Go to Auto Zone they do it for free.........
Replace the light sensor, it is under dash, 22$ at auto zone, my head lights quit working at night, but brake ligjts & fog lights still worked
Go to the auto zone for parts and instructions
get a repair manual at auto zone for 24.99.