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.

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HOMESERVICE MANUALSMAZDA20133 MAZDASPEED, 2.3L ENG VIN 3REPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSON-BOARD DIAGNOSTIC [AUDIO]DTC INSPECTIONWITHOUT USING M-MDS (ON-BOARD DIAGNOSTIC TEST MODE)WITHOUT DISPLAY

2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3

Without Display

2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3SECTION Without Display

Switch the ignition to ACC or ON.
Turn the audio unit power to off.
While pressing the POWER/VOLUME switch, simultaneously press the AUX switch and the RPT/PRESET switch 2 for 2 s or more.

Fig 1: POWER/VOLUME Switch, AUX Switch, RPT/PRESET Switch And SEEK/TRACK Switch

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:

• 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.