Skip the auto shop - Our mechanics make house calls
  1. Home
  2. Articles
  3. 4 Essential Things to Know About the Keys to Your Car

4 Essential Things to Know About the Keys to Your Car

Keys to Your Car

Car keys are an essential part of your vehicle and there are a few different types of them depending on the make and model of your vehicle. Car keys will allow you to get into your vehicle, start your vehicle, and lock your vehicle when you are done using it.

Transponder Key

Most vehicles built after 1995 have a transponder chip placed in their car key. Once the key is placed into the ignition, the engine control unit (ECU) will send a message to the key and allow the car to start if it receives the right message back. If the ECU does not receive the right message, the vehicle will not turn on.

Cost of Replacing a Key

Losing your keys is difficult and it can be expensive, depending on what type of vehicle you have. If you lost your key along with your key fob, the replacement cost can start at $200. It needs to be done at a dealership because of the special equipment needed to replace the key. A Lexus vehicle quoted $374 for a new key fob, which includes programming, and a BMW replacement key can cost as much as $500.

Locking Keys in Trunk

Locking your keys in the trunk can be frustrating, but it happens more often than you think. With just the slip of a hand the keys fall as you are unloading groceries. To fix this problem, the dealer can make an inexpensive key that will open the doors but not start the engine. This way, you will be able to open the trunk and get the original set of keys. Be sure to bring identification and proof you own the vehicle to the dealership to make the process go faster.

Replacing a Key

There are a few ways to replace the keys to your vehicle. The first is to visit a local auto locksmith as they have sophisticated machinery. A search online for an aftermarket electronic car key may provide you with another option when replacing your key. The third option is to get a set of keys from your dealer. The last option is the fastest and most reliable.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
Icon-warranty_badge-02

Skip the repair shop, our top-rated mechanics come to you.

At your home or office

Choose from 600+ repair, maintenance & diagnostic services. Our top-rated mechanics bring all parts & tools to your location.

Fair & transparent pricing

See labor & parts costs upfront, so you can book with confidence.

12-month, 12,000-mile warranty

Our services are backed by a 12-month, 12,000-mile warranty for your peace of mind.

Get A Quote

Need Help With Your Car?

Our certified mobile mechanics make house calls in over 2,000 U.S. cities. Fast, free online quotes for your car repair.

GET A QUOTE

More related articles

P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
How to Get a Louisiana Driver's Permit
s licensing program. The first step in this program is to obtain...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...

Related questions

Q: What is the function of the auxiliary battery? How is it related to the intelligence servo module?

Hello - these two components are unrelated. The principle function of the secondary battery is as a backup for the primary battery - for the Sensotronic Brake System, which uses electronic pumps for brake pressure to each wheel - not...

Q: Keyless ignition not working.

Hello. This is a common problem on your car. It is so common that Volkswagen has a technical bulletin for this. The fix is replacing the Start Module. This is best left done to the dealer as it will need...

Q: NVIS (Immobilizer System) in my Pathfinder Armada is rejecting my key; I know its correct key.

Operating a modern computer controlled vehicle with a dead battery can damage the Powertrain Control Module due to the voltage instability, particularty voltage excursions on the high side (above 14 volts), that occur when the alternator has no buffer to...