Mazda Key Replacement - What You Need to Know
Mazda keys are usually replaced by locksmiths. To make the process quicker, one must prepare a few items. Included in this are the specifics of their Mazda and the year they were manufactured, and if it is equipped with transponders.
A CHOICE member recently had a Mazda key fob battery fail. She tried to replace it herself but couldn't get the cover off.
Transponder Keys
It is likely that if you have a car that was manufactured in the last 20 year your key is equipped with transponders. These chips are embedded in the plastic head of the key and are designed for communicating with the computer system inside your car when the key is inserted into the ignition. This allows the computer in your car to verify that the key belongs to you and then disarms the immobilizer, so that only you are able to start the engine.
The chip inside the car key is powered by electromagnetic energy which is transmitted by a small coil on the key barrel. The chip sends a response back to the car once it receives this signal, and the computer recognizes that it is your key. This prevents the possibility of fraud in key tampering, and helps to prevent theft.
Many people turn to their dealer for assistance when they need to copy their keys. A professional locksmith can create copies of your transponder key at a lower cost than the dealer.
It is recommended to keep a spare transponder keys in a secure place far from your vehicle. This will assist you if you ever have to get your keys for your car replaced, or should you lose one of them. If you lose a transponder key make sure you note the code number stamped on a plate attached to your keys. This information will be needed to programme a replacement key should you require it.
Key Fobs
A key fob can be capable of much more than simply unlocking your car's door. The handy devices can be used to roll down your windows, summon your car to park and auto-park it.
RFID is a radio system that allows fobs to communicate with the latch. The RFID chip within the fob transmits a coded signal which matches with the code on the reader in the door latch. If the signal matches the code, the door opens to allow access to the owner.
The first thing to do is to replace the battery, which shouldn't take more than one or two minutes. Most fobs have a removable cover that makes it easy to perform replacement of the battery. The owner's manual should contain instructions for this, and there are many online videos that can help with the procedure.
Remove the code-containing plates from the key fob. Write down the code number and put it in a safe location (not in your vehicle). If you have lost your Mazda keyfob, you will be able to use the code to purchase a replacement from the dealer. You may be covered by your insurance but first you'll need to pay the deductible. Key fobs are available at your local hardware store, online or at big box stores but the dealership will typically be the most affordable.
Keyless Entry
Keyless entry is an easy feature that allows you to unlock your car without having to reach for the door handle. It makes use of radio signals to establish a connection between the car and the key fob. The key fob can be used to lock the car or start it. This technology is becoming commonplace in all types of vehicles. Certain automakers include this technology in the price of their vehicles, whereas others provide it as an option.
You can add this feature to your car at home. You'll need to purchase the necessary parts and tools. mazda key fobs will need an instruction manual that contains all the details. The manual will outline the specific wires you'll need to connect. You will also need the wire cutter or stripper along with a soldering tool and a bit of electrical tape.
Once you have the required items, you'll be required to disconnect the battery from the vehicle prior to beginning. Then, remove the cover that is located under the steering wheel, to get access to the necessary wires. Make sure the wires you connect are labeled. Be sure to use only the wires indicated in the instructions. Then, you will need to wrap the wires with black electrical tape.
If you decide to perform the work yourself, be sure to wear a pair of gloves to avoid skin irritation. Also, make sure you save the code number for your key fob in a secure location. It will come in handy if you ever need to program your new system.
Ignition Cylinder
The ignition cylinder is the mechanical part in which you insert your vehicle key to start the engine. It is connected to the ignition, which is an electrical component that locks and unlocks the engine after reading the anti-theft codes in the key.
Over time the ignition cylinder may be worn down or even wash out and stop working properly. This is usually the cause of difficulties starting or powering the vehicle. It is also possible that your key gets stuck in the ignition.
In most cases, you'll need to replace the ignition cylinder instead of just the car key. This could be an costly and complex process, particularly on vehicles with security systems that require the ignition cylinder to be replaced in order to operate correctly.
It can be tricky because you'll need to remove the steering wheel and remove the lower steering section cover for access to the ignition lock. After you've removed the steering wheel and the cover, you'll need to disconnect the negative battery cable and isolate it to prevent accidental connections.
If you have the proper tools, the process of taking the cylinder off should be fairly simple. You'll need to reverse the procedure you followed to remove the cylinder. Install it correctly so that the tab and retaining slot are aligned. You'll need to make sure that the tumblers in the right order.