How to Change a Dead Volvo C30 Key Fob
The Volvo C30 is an excellent car with a few minor imperfections. It's very comfy and well appointed for the two front seats, however the rear seats are cramped and cargo space is a bit limited.
If your Volvo key won't turn it is likely due to a number of issues. Certain keys require programming, and should only be done by an auto locksmith.
How do I Change the Key Blade
You might still be able to unlock your Volvo with the mechanical blade if the key fob is dead. The majority of new Volvo vehicles come with a hidden mechanical key that opens the door to the driver in an emergency if the remote car keys aren't working. You can even utilize the mechanical key to start the vehicle in the event that the push-start button on your Volvo is activated by the sensor as you enter the vehicle.
To open the blade, place your fob upside down with the "Volvo Cars Logo" on the fob. Then, find a small black button on the left of the key fob, and slide it downwards and to the right. This will let you remove the cover, allowing you to access the hidden key blade.
The key fob is simple to replace. Slide the key fob off of the key ring and then lift the cover's back to reveal the battery. The battery should be a standard CR2032 watch-style cell. Replace the old battery with a new one. Be sure not to touch the + or - poles of the battery by using your fingers. These batteries are available in all pharmacies and stores.
How do I change the battery?
The key fob contains a small battery which is likely to need replacement at some point during the ownership of your vehicle. The fob also has an electronic key blade that allows you to open the driver's door when the battery in the remote is dead or the keys are lost.
It is easy to change the battery, but you must be careful not to damage the steel contacts on the back cover. A small flathead screwdriver or plastic tool called a pry bar can be used to break off the corners of the cover. After removing the cover, you can change the battery by inserting a brand new silver button-cell (CR 2430 3-volt) with the "+", positive side facing downwards and the "", negative side toward you.
The blade of the key can be placed into the fob once the battery has been replaced. The alarm will be disengaged by pressing the unlock button once. Repeating volvo v70 key will unlock all doors and open the tailgate, if you have one fitted to your car.
The majority of pharmacies and grocery stores offer replacement batteries. They are usually sold as watch batteries, and generally contain a list of numbers printed on the battery to help you identify the battery.
How to change the ignition cylinder
It is important that your Volvo works properly. They provide the power to the various parts of the car and allow it to start. Over time, they become worn out and should be replaced. If you notice that your Volvo is having difficulty starting or stalls while driving, then you may require replacing your ignition cylinder.
If you're fortunate, it could be simply a error or something you didn't do correctly. Perhaps you didn't get the key out completely or it was stuck in the lock cylinder. You can try releasing the key by gently shaking it and then moving it around. However, you should avoid applying too much force, as it can break something in the steering wheel or ignition switch.
Another possibility is that the ignition switch is malfunctioning. It's not surprising that this switch can wear out over time, given that it is used daily. It's likely to fail with one of the settings which are used to power the ignition or other accessories before stalling. The sound of a squeal is a sign that the ignition switch is on its way to fail completely, so it's crucial to get it checked out whenever you spot problems.
The technician will examine the entire system to determine what's the root of the problem. They will examine the ignition cylinder, the key, and other parts of the security system. They will also check your wiring if you're driving an older car to determine if it has any issues.

How to change the remote
If you find that your Volvo key fob battery fails or you want to change it, there's an easy and fast method to do it. You can use a flat screwdriver to pry open the back cover of your key fob to replace the battery. A small grey button is located in the top right corner of the key fob and you can press this to slide open and remove the cover of the battery. You can then take off the battery that was in place, and replace it with a new one. It is usually less than 30 minutes.
You can control the remote window roll-down feature on a newer Volvo using your Volvo keyfob. You can also close the sunroof or windows by pressing the lock button (if fitted). The unlock button on the Volvo SUV key fob will disengage the alarm and open the door for the driver when you press it once. When you press it twice, it will unlock other doors, including the tailgate.
If you notice a "REMOTE BATTERY LOW VOLTAGE" message in the instrument cluster of your car or the locks fail to respond when you're within distance, it's time for you to change the battery of your remote key. The replacement of the battery is a quick and simple process which can be completed in just a few minutes at home or at your local dealership for cars.