If you have a car, then you will be able to see some of the precious dashboard key signs that may prove to be tremendous trouble for you. From those exemplified versions of signs and symbols, today, we are going to talk about one of the prime signs: the key sign. When you try to decode the code by applying the key, the light may have been illuminated multiple times. Your car’s system won’t let you do so in the next few steps as you have entered the wrong key.
If you do not use the recognized key, then it will be a massacre. The car won’t respond, and in some cases, the engine may be badly damaged if you repeatedly try the wrong key. The engine might start in a few cases and run for a few seconds before it dies. A warning light that is called the “check engine light” may be illuminated through the extra proceedings.
A car with a key symbol on the dashboard: what does it mean?
You may be confused to know about the different scenarios and causes of the car with a key sign, and here we will illustrate some of the common causes of having this sign blinked,
- A faulty key can be the main reason for exerting this issue. Your car key may have some pattern issues or be using the wrong key.
- The dead key fob battery is the most crucial cause of this code illuminated through the system. The faulty control module cannot control the insides and may be activated through the main circuit.
- Faulty key peripherals could be the most devastating issue of unwanted misinformation between the keys, and thus, the sign blinks. Electrical interference must be brought to a bearable level to justify the main proceedings.
How to fix a car with a key symbol on the dashboard?
The issue is very much common in the arena of car handling. You need to perform some procedures to make sure that it is the right thing to be eliminated the car with a key sign, 
Recheck your key and try again
It happens quite frequently that the owner uses the wrong key to establish dominance over the ignition, but if the pattern and code do not match with the car’s inbuilt fusions, then it will be a miserable miscommunication between the key and the car. To find the right car and check if the sign still blinks at the dashboard.
Find an alternative switch
There are so many functions that are related to the ignition system of the car. So you can follow a quite indomitable trick: finding an alternative switch to start the car. This switch can be found near or under the dashboard or near the socket of the OBD2 scanner. Find the key fob battery and then check the vehicle’s security system. There is a mobile key programmer that might be corrupted for some reason.
Check the ignition part
The keyless ignition must have been incorporated with a warning light on the dashboard. You need to place the correct key fob in the ignition. Otherwise, it will be a disaster for the vehicle’s internal system. The warning light may be orange or red in color and appearance, and sometimes, the car inserts a green light in the system so that it could be the best experience for the car. A car warning light could be more fugitive when we are running out of the scenario. The ignition could be the best part of having a matched key to start the car.
Examine the battery
The battery of the car is always one of the most crucial elements in the generation of too much power and compatibility. The battery sometimes goes out of order or runs out of internal fluids, which can be very harmful to the engine, and then this sign occurs. So fixing the battery can eradicate this issue.
Door lock key cylinder massacre
You need to hold the key to open the gate of the car and apply this process in the system for about a minute. This system may culminate in the car’s alarm system if you push the right key in the exact spot. The key can recognize the car by applying a back-and-forth combination in the configured spot, and the magnifying cylinder must feel the piston effect to make the process successful.
Try an OBD2
The most effective way of eliminating this error code is to connect a smart OBD2 device with the system and figure out the actual problem. The scanner may scan the whole fixtures, and in the end, you can try to eliminate the code by simply pressing the delete code option.
How much money do you need to fix the issue?
This key sign with a car is probably the most common issue that can happen with anyone. So you don’t have to panic unless you find the best spot for you to fix the issue. The repair cost may vary from place to place and shop to shop. But you must spend between $90 to $110 fixing the issue with a professional.