How to Start the Car When the Mazda6 Key Battery Dies?

2 Answers
LeSophia
07/28/25 7:10pm
When the remote key runs out of battery, you can insert it into the hidden slot to start the car. Here is some knowledge about using car remote keys: 1. When approaching the car: As the driver brings the key in their pocket close to the car, the key and the car begin exchanging preset command information via radio waves. Subsequently, the car's locking system, security system, and engine control system are all activated. 2. When opening the door: As soon as the driver touches the door handle, the sensor detects this pressure, and the servo motor unlocks the door while the turn signals flash twice. Then, the seat, steering wheel, and side mirrors automatically adjust to the preset positions for the owner.
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FranciscoMarie
08/12/25 12:23am
I also drive an Atenza and have experienced a situation where the key fob battery died. Later, I discovered the car's induction zone feature is incredibly practical—just place the key next to the push-start button, and the car usually detects the signal within about 3 seconds. That time, I found an area marked with a key icon below the start button; pressing the key fob directly against that spot while stepping on the brake and hitting the start button made the engine roar to life. It's really important to monitor the key fob's battery level, as the dashboard gives a warning about half a month in advance—flashing red light means an alert. The emergency trunk slot is even more hidden, located inside the left rear wheel liner; it took me a while to find it. Keeping a spare CR2032 coin battery in the glovebox is essential—they're available at convenience stores. To replace it yourself, just press the groove on the side of the key and pry it open.
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