Carry a Spare Key For Your Mazda
In the car with children is a risk. They can cause the power windows to be opened or other controls to malfunction or even cause the car to move.
If you've lost your Mazda key, it is recommended to contact a professional locksmith immediately. These experts can create spare keys for any Mazda model.
They can also cut and program a new replacement if your key is damaged or not working properly.
Keyless Remote Control Fob
Certain cars of recent years come with key fobs that let you to open and lock your car doors remotely, and even start your engine. Similar to other technologies keys can fail periodically. Fortunately most key fob problems aren't difficult or serious and can be resolved easily. Always carry a spare car key to avoid these issues.
Batteries are essential for key fobs, and they need to be replaced regularly. Some fobs have removable covers, which makes it easy to replace the battery. Others may require a special tool or assistance from the dealer. Regardless of the type of key fob you have, a new battery should last for about a year. Having a spare battery can help you avoid the anxiety of being stranded somewhere along the way to work in Manhattan or White Plains.
Fobs that have "flip keys" have a key that flips out when a button is pressed, and the fob itself contains buttons to unlock the door, opening the trunk, etc. When not in use the key can be turned into the remote. Flip keys and fobs could be susceptible to damage from many sources, including blunt force, water, circuit board scratches, and excessive heat.
Transponder Chip Keys
If you own a vehicle from the past two decades or so, the chances are that it needs a transponder chip key to start. This technology is designed to stop car theft using an electronic signal that only the car's computer onboard can recognize. The key is equipped with an electronic chip similar to those used in military aircraft. The chip connects to a vehicle's computer system onboard through an antenna with a ringed design.
The key also has copper wire that's attached to the microchip. It's this wire that transmits signals to the onboard computer of the car when you turn the key in the ignition. The onboard computer then responds by allowing the engine to begin. If the code is valid, the engine will stay on and the car won't shut off or lock itself.

Some Mazda keys require programming (transponder and remote/fob keys). These are only programmed by an automotive or car dealer locksmith. Certain keys don't require the use of coding. For instance, regular metal keys without a chip do not require being programmed.
Keys with Keyless Entry System
Mazda's Keyless Entry system allows you to unlock your door and start your car with only a single keyfob. mazda 2 key battery features an embedded security chip which sends a signal the car's electronics to activate the doors and ignition. Certain models come with a push button that can be used to start the car with no key.
To keep the transmitter and receiver synchronized, a 40-bit code is generated each time the keyfob button is press. The codes are generated by the receiver and transmitter using a pseudo-random generator so that they do not repeat.
If you're experiencing issues with your Mazda Advanced Keyless Entry system it could be that the car's transmitter is malfunctioning or the battery in the fob is depleted. If the issue persists then bring the key fob to Holiday Mazda in Fond du Lac, WI, to have an expert look. Bring a spare remote to use while you wait for your Mazda dealer. Also, take off the plate connected to the key set and put it in a safe location (not in your vehicle). This will give you the code you need to replace your keyfob.
Keys with Remote Control
The keyless remote control works with your Mazda, if you have the standard keyless entry. It is able to unlock doors and start the vehicle. It will also work with a factory KEY LOCK. You'll need to have the remote professionally programmed after it has been it is received by an auto locksmith in your area (click here for Locksmith Search). It's an aftermarket key fob, which means it does not have the Mazda logo on it.
Key buttons control the door locks, liftgate lock, and lid for fuel-filler (if equipped) as well as start your vehicle's engine and activate the theft-deterrent system if your vehicle is equipped. If the system malfunctions it will display hazard warning light and/or a warning beep will signal the issue. For more information, please contact your Mazda Authorized Dealer.
It is important not to leave children unattended when you use the key as they may be able operate the controls or cause the vehicle to move. The battery for the key is recommended to be replaced at least once a year. This is evident by the KEY warning indicator being displayed in the instrument cluster or the KEY Battery Replace Warning beep.