This guide provides instructions on changing the backup light (reverse light bulb) on a Mazda 5 from 2010 through 2018.

What you will need

  • 7440 Bulb Type – Mazda 5 uses two 7440 bulbs for the reverse light. The recommended bulb needs to be 21 watts.
  • Screwdriver


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  1. Turn off the ignition and park your Mazda 5. Place the shifter in Park and set the Emergency Parking brakes.
  2. Identify the backup light bulb on your Mazda to change back up reverse light on Mazda 5 2010 2011 2012 2013 2014 2015 2016 2017 2018
  3. Open the liftgate. On the back of the liftgate, you will notice an access panel. Remove the panel using a flathead screwdriver.Mazda 5 back up light replace guide diy
  4. To replace the backup light bulb, you must twist it counterclockwise to remove the socket. The bulb itself is pulled straight out of the socket.

If you notice that the backup light bulb still doesn’t work after you replace the bulb, the fuse may be blown.

This DIY guide applies to model years 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018. Changing the backup bulb on a Mazda5 only takes five minutes and a screwdriver.

We hope you find the Mazda 5 Reverse Backup Light Bulb Replacement guide helpful. Check these troubleshooting and repair guides for more help on your Mazda.

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One Comment

  1. Anonymous says:

    How do I do this on a 2018 cx5 with no access panel inside nesr the inner trunk assembly?