12-volt battery

The instrument cluster control lamp lights up in bright RED.

The following critical warning message is displayed: Error: 12-V power supply. Park safely! Please refer to the instruction manual

Stop driving immediately! Pull over and bring your Seat Leon to a safe stop at the first available opportunity and in a secure location. The 12-volt battery is not being recharged while the vehicle is in motion and has reached a critical charge level, or there is an active electrical fault within the on-board 12-volt network.

• Switch off the ignition and turn off any electrical consumers, accessories, or climate controls that are not strictly required.
• Contact a qualified specialized workshop without delay.
• Request a comprehensive inspection and test of the vehicle electrical system.

12-volt battery

The instrument cluster indicator lamp lights up in YELLOW.

The following warning message is displayed: The 12-V battery is not charged. You may only continue driving with limitations.

The vehicle battery has stopped charging while driving. As the battery gradually loses its remaining charge, immediately switch off all electrical devices and accessories that are not essential for driving.

Due to this electrical fault, you will only be able to continue driving your Seat Leon for a limited period of time. Once this operational window elapses, a critical red warning lamp will be triggered.

Proceed with extreme caution.

• Have the vehicle's electrical system checked and diagnosed by a qualified specialist workshop.

12-volt battery

The indicator lamp lights up in YELLOW. The following warning message is displayed: Error: 12 V battery. Restart impossible. Go to the workshop.

There is a malfunction or broken connection in the circuitry linking the on-board electrical network and the 12-volt battery.

If the drive system is switched off in this situation, it cannot be started up again. If necessary, use jumper cables or seek professional assistance from qualified breakdown personnel.

• Contact an authorized specialist workshop.
• Request a full check of the vehicle electrical wiring and battery circuit.

12-volt battery

The indicator lamp lights up in YELLOW. The following notification message is displayed: 12-V battery charge low. Please refer to the instruction manual.

Engine cranking capability may be impaired, and the vehicle might fail to start the drive system. If the drive system successfully starts up, the battery will be recharged while driving.

If this driver notification goes away after a certain duration of driving, it means the vehicle's battery has successfully recharged while underway and reached a sufficient energy level. If the warning message persists and does not go out, take your Seat Leon to a specialized workshop for inspection.

12-volt battery

The indicator lamp lights up in YELLOW. The following warning message is displayed: 12-V power supply limited. Drive with extra caution.

The 12-volt power delivery is temporarily restricted because the battery is deeply discharged or operating below peak performance, which frequently occurs during extremely cold ambient winter temperatures. The 12-volt battery can be gradually recharged by driving the vehicle. Until this warning indication disappears from the screen, you should drive with care and vigilance.

12-volt battery

The indicator lamp lights up in YELLOW. One of the following diagnostic error messages is displayed: Error: 12-V supply. Please visit workshop.

Error: 12-V battery. Please visit workshop.

An underlying fault has been detected within the 12-volt power supply architecture:

• Contact a specialized workshop promptly.
• Have the electrical system thoroughly checked and tested.

12-volt battery

The indicator lamp lights up in YELLOW. The following informational message is displayed:

The 12V battery is being discharged. Switch on the engine.

When the engine is switched off, this informational message may appear a few seconds after turning on the ignition as electrical systems draw power.

However, this behavior is entirely normal. It simply serves as an alert informing you that the 12-volt battery is currently supplying electrical consumers while the motor is off. As soon as the engine of your Seat Leon is started, this indicator lamp will automatically switch off.