Mazda 6 Service Manual: No.4 hard to start/long crank/erratic start/erratic crank

No.3 will not crank

No.5 engine stalls-after start/at idle

Other materials:

Mazda 6 Service Manual: TCS/DSC Indicator Light
This indicator light stays on for a few seconds when the ignition is switched ON. If the TCS or DSC is operating, the indicator light flashes. If the light stays on, the TCS, DSC or the brake assist system may have a malfunction and they may not operate correctly. Take your vehicle to an Auth ...

Mazda 6 Service Manual: Component Parts
Microphone (hands-free) The microphone is used for speaking voice commands or when making a Hands-free call. Talk button, Pick-Up button and Hang-Up button (hands-free) The basic functions of Bluetooth® Hands-Free can be used for such things as making calls or hanging up using the talk, pi ...