I have a 2015 Mazda 6 manual transmission that I drive about once per week. It was previously having issues starting up. I took it in to the Mazda dealer, and they agreed the battery needed to be replaced.
After getting a new battery, the car operated normally for a few weeks. This may be a coincidence, but I took the car to a school-sponsored car wash to support the kids. Afterwards, the car drove normally, and I parked it in my driveway where it sat for another week.
The next time I tried to start the car, the power came on, but the car does not attempt to start. The power appears normal. I am able to run the radio and briefly turn on the air conditioner.
When I press the clutch and brake, then press the power, the power button light turns amber. I then press the power again, and the power button turns green. It looks to be ready to start, and I can turn on various electrical features like the radio. Then I press the power button again, and the car turns off.
The brake is exceptionally firm and will not depress much at all. The parking brake light is on, but I cannot turn off the parking brake. I can put the manual transmission in neutral and move the clutch normally.
I am afraid to try popping the clutch based on articles I have read online. I do not think a clutch start would work anyway, because the parking brake would likely prevent the car from moving.
I have tried attaching our jumper battery. The jumper made no difference at all, though with the hood open, I could hear a faint rhythmic clicking sound every second or two when trying to start it.
Any ideas what the issue might be before I call a tow truck? Should I try pressing the incredibly stiff brake down hard, or might that damage it? Could it be a blown fuse?