What does it mean when the KEY light is on and the car won't start in a 2010 Teana?
1 Answers
When the KEY light is illuminated on the car's dashboard and the vehicle won't start, it indicates that the car cannot detect the key. Solving this issue is quite simple—just replace the battery in the remote key. To replace the battery, you'll need to pry open the key's casing, remove the old battery, and install a new one. Below are some relevant details: 1. Considerations when purchasing a battery: When buying a new battery, make sure to choose a product with the same model as the original battery. 2. Solutions for a dead battery: (1) If the remote key's battery is dead, you can use the spare mechanical key to unlock the door. (2) If the car is equipped with a keyless start system, there is a designated area inside the car for sensing the key. Place the key in this sensing area to start the engine normally. 3. Key maintenance: (1) If the key's battery is dead, it's recommended to replace it promptly to avoid affecting normal vehicle use. (2) During regular use, try to avoid remote operations from long distances or repeated remote actions, as this can accelerate battery drain. (3) When not using the remote key, store it in a dry place. (4) When using the remote key, avoid exposing it to water, as the key's casing is not waterproof. If water enters the key, it can damage the chip, rendering the key unusable.
