How to Change a Dead Volvo C30 Key Fob
The Volvo C30 is an excellent car with only a few minor imperfections. The two front seats are very comfortable, however the rear seats aren't as comfortable and the cargo space is small.
There are a variety of reasons why your Volvo key won't turn. Certain keys require programming, which can only be completed by a dealer or auto locksmith.
How do I change the key blade
If your Volvo key fob is not working due to an unresponsive battery and you aren't sure, you may be in a position to unlock your car with the mechanical blade inside. In the majority of new Volvos there is an internal mechanical key that can be used to unlock the door for the driver in an emergency if the remote keys don't work. You can utilize the mechanical key to start your Volvo in the event that the sensor is in use when you enter the vehicle.
To access the blade, hold the fob with the right side facing up, and place the "Volvo Cars Logo" on the fob. Locate the small black button located at the left-hand side of the fob. Slide it to the right. This will open the cover and allow you access to the secret key blade within.
you could check here is simple to replace. Slide the cover of the key fob off the key ring. Carefully remove the back of the cover until you can view the inside. The battery is a standard CR2032 watch-style cell. Remove the old battery and replace it with a new one, making sure not to touch the batteries the' + and - poles by using your fingers. They are available at most grocery stores and pharmacies.
How to replace the Battery
The key fob comes with one battery that will require replacement at some point in your ownership of the vehicle. The fob is equipped with a mechanical blade that lets you unlock the door of the driver when the battery in the remote dies or the keys have been lost.
You can easily replace the battery, but be careful not to damage the metal contacts inside the back cover. A small flathead screwdriver, or a plastic pry bar tool can be used to open up the corner of the cover. After the cover is removed and the battery removed, it can be replaced by sliding a new silver button cell (CR 2430 3 Volt) into the slot with the "+" positive side facing down and the "-" negative side towards you.
After the new battery is installed, the fob can be put back together and the key blade is inserted. The alarm will be turned off by pressing the unlock button just once. If you press it twice, all doors will be unlocked and the tailgate will open in the event that your car has one.
You should be able to buy replacement batteries at the majority of pharmacy stores or supermarkets. They are typically sold in the form of watch batteries and come with a set of numbers printed on the battery to help identify the battery.
How to Change the Ignition Cylinder
Ignition cylinders are important for your Volvo to work properly. They provide the power to the different elements of the vehicle and enable it to start. Over time, they can be worn out and require replacement. If you notice that your Volvo is not getting started or stops during driving, then you may need to replace the ignition cylinder.
If you're fortunate it could be a simple mistake or something you didn't do correctly. It's possible that you didn't remove the key completely, or it may be stuck in the lock. You can try to remove the key by gently shaking it, and then moving it around. Avoid applying too much pressure, since it could break the steering wheel or the ignition switch.
Another possibility is that the ignition switch is malfunctioning. It's not surprising that this switch can wear out with time, considering that it is used daily. It is likely to fail on one of the settings that are used to power the ignition or other accessories, and then stall. Stalling is a sign the ignition switch is on its way to fail completely, so it's important to get it checked as soon as you notice issues.

The technician will examine the entire system to figure out the source of the problem. They'll check the ignition cylinder, the key, and various components in the security system. If you're driving a brand newer vehicle, they'll look at the wiring to determine whether there are any issues with it.
How to Change the Remote
There's an easy and quick way to replace the battery inside your Volvo key fob in case it dies. Make use of a flat screwdriver and take off the back cover of your key fob in order to replace the battery. You can slide the battery cover open by pressing the small grey button in the upper right corner of your key fob. Then you can remove the battery that was in place and replace it with a new one, which should only take about 30 minutes or less.
If you own a newer Volvo model that has remote window roll down, you may be able to manage this feature using your Volvo key fob. You can also utilize the lock button to close the windows and sunroof (if fitted). When you hit the unlock button on the Volvo key fob of the SUV the alarm will be disengaged and the driver's side door will be unlocked. Other doors as well as the tailgate will unlock when you press it two times in succession.
If you notice an "REMOTE BATTERY low voltage" message in your car's instrument cluster or the locks don't respond when you're within range, it's the time to change the battery of your remote key. The replacement of the battery is a fast and simple procedure which can be completed within a couple of minutes at home or at a local dealership for cars.