How to Change a Dead Volvo C30 Key Fob
The Volvo C30 is a good car, but it is plagued by a few nagging flaws. The two front seats are extremely comfortable, but the rear seats are cramped and the cargo space is limited.
If your Volvo key isn't turning it can be due to a range of issues. Certain keys require programming. This should only be programmed by a professional dealer or locksmith.
How to Change the Key Blade
If your Volvo key fob is not working due to batteries that are dead, you may still be allowed to unlock your car with the mechanical blade inside. In the majority new Volvos, there is an internal mechanical key that can be used to unlock the door for the driver in an emergency if remote keys do not work. You can use the mechanical key even to start your Volvo, provided the sensor remains active when you enter the vehicle.
To open the blade, place the fob right-side-up with the "Volvo Cars Logo" on the fob. Locate the small black button located at the bottom left of the key fob. Slide it down and then to your right. This will let you remove the cover, which will allow you to access the key blade that is hidden within.
The key fob battery is easy to change. Slide the key fob cover off the key ring, then carefully lift away the back part of the cover until you can see inside. You'll notice that the battery is a standard CR 2032 watch-style cell. Take the old battery out and replace it with a brand new one, taking care not to touch the batteries poles'+ and ' by using your fingers. They are available in most grocery stores and pharmacies.
How to Replace the Battery
The key fob is equipped with tiny batteries that will need to be replaced at some point in the ownership of your car. The fob has a mechanical blade that allows you to unlock the driver's door when the remote battery is dead or the keys have been lost.
You can change the battery, but be careful not to scratch the metal contacts on the back cover. A small flathead screwdriver, or a plastic pry bar tool can be used to pry through the corner of the cover. After you have removed 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 towards yourself.
After the new battery is installed, the fob will be assembled and the key blade placed. The alarm will go off by pressing the unlock button only once. Pressing volvo key fob shell will unlock all doors and open the tailgate, if you have one fitted to your vehicle.
Many pharmacies and supermarkets offer batteries that are replacements. They are usually sold as watch batteries and usually have a set of numbers printed on the battery to help you identify it.
How to Change the Ignition Cylinder
Ignition cylinders play a crucial role in allowing your Volvo to function correctly. They provide power to the various parts of the vehicle and enable it to start. As time passes, they will get worn out and require to be replaced. If your Volvo is having trouble starting, or stalls while driving, you may have to replace the ignition cylinder.
If you're lucky it could be an innocent mistake or a mistake you made. Maybe you didn't get the key out completely or it got stuck in the lock cylinder. You can try to remove the key by gently shaking it and then moving it around. Be careful not to apply too much pressure, as it may break the steering wheel or the ignition switch.
Another possibility is that the ignition switch is malfunctioning. The switch is used hundreds of times every day, and it's no surprise that over time it may wear out. It will usually start to fail on one of the settings which provide power to the accessories or the ignition and then stop. Stalling is a sign that the ignition switch is about to fail completely, which is why it's important to get it checked immediately if you notice issues.
The technician will inspect the entire system in order to find out the source of the problem. They will examine the ignition cylinder, the key, and other components of the security system. They'll also examine your wiring if you own an older vehicle to determine if it's experiencing any issues.

How to Change the Remote
If you find that your Volvo key fob battery has died or you want to change it, there's a quick and easy way to do this. Use a flat screwdriver and pry the back cover off 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 use this to open and take off the cover of the battery. Then you can remove the old battery and install a new one, which is likely to take 30 seconds or less.
You can control the remote window roll-down feature of the latest Volvo using your Volvo keyfob. You can also use the lock button to close the sunroof and windows (if equipped). When you press the unlock button on the Volvo key fob for your SUV, the alarm will be disengaged and the driver's side door will become unlocked. Other doors as well as the tailgate will be locked when you press it two times in succession.
It's time to replace the battery in your remote key when you see "REMOTE KEY BATTERY LOW VACUUM" in your car's instrument cluster, or if the locks don't respond when you are within the range. Replacing the remote key battery is a simple and quick process that can be done in a matter of minutes at home or your local dealer.