Like anything else, your transponder key can wear down over time and you may need to have it repaired or replaced. The chip, battery or a glitch in your car can cause nothing to happen when you press the unlock button or when you try to start your car. However, if you aren't able to head in to see a locksmith or your auto service center immediately, see if you can repair your transponder with these tips.
Recharge The Battery
Replace The Battery
If this doesn't work, the battery might be defective. Purchase a new battery by looking up the year, make and model of your car and searching for the correct battery type.
To replace the battery, open the transponder with a butter knife. Take out the current battery and put the new battery in place. Reassemble the transponder. Then, test the transponder to determine if it works.
Reprogram The Transponder
Your key might need to be reprogrammed. With your transponder nearby, turn your car on and off eight times within 10 seconds. This will cause your car to attempt to reprogram the transponder radio frequency in case there is a glitch.
Determine If The Chip Is Broken
The chip might be damaged. Use a
Head To A Dealership Or Locksmith
Call the service department of the dealership you purchased your car from. There might be a specific way you need to repair the particular transponder. Your transponder might simply need to be reprogrammed. Otherwise, you will need to have your transponder key replaced.
When you have your transponder replaced, you should consider getting two transponders. That way, if one stops working in the future, you will not be stranded. This is an important part of your car's security system that you cannot do without