Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 Mazda 6 L4-2.3LFACTORY OEM SERVICE PROCEDURE
Transmitter Battery Replacement [Keyless Entry System]
TRANSMITTER BATTERY REPLACEMENT [KEYLESS ENTRY SYSTEM]
Retractable Key Type
1. Insert a small screwdriver into the slot and push the tab to remove the key from the transmitter.
2. Insert a small screwdriver into the slot and gently pry open the transmitter.
3. Remove the battery.
4. Put in the new battery (CR1620) with the positive pole (+) facing clown.
5. Align the front and back covers and snap the transmitter shut.
Battery specification Lithium CR1620 x 1
NOTE: The batteries will last about 2 years when used 10 times a day.
6. Install the key to the transmitter.
Retractable Key Type
1. Insert a small screwdriver into the slot and push the tab to remove the key from the transmitter.
2. Insert a small screwdriver into the slot and gently pry open the transmitter.
3. Remove the battery.
4. Put in the new battery (CR1620) with the positive pole (+) facing clown.
5. Align the front and back covers and snap the transmitter shut.
Battery specification Lithium CR1620 x 1
NOTE: The batteries will last about 2 years when used 10 times a day.
6. Install the key to the transmitter.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.