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.
Advanced Key Battery Replacement [Advanced Keyless Entry And Push Button Start System]
2009 Mazda 6 V6-3.7LSECTION Advanced Key Battery Replacement [Advanced Keyless Entry And Push Button Start System]
ADVANCED KEY BATTERY REPLACEMENT [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]
1. Pull out the auxiliary key.
2. Insert a flathead screwdriver into the notch in the transmitter and rotate it in the direction shown in the figure to open the transmitter.
3. Remove the battery.
4. Install the new battery (CR2025) with the positive pole facing down.
5. Align the upper and lower covers and close the transmitter.
6. Insert the auxiliary key.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.