If the battery voltage drops abruptly, a warning message will be displayed by the on-board computer.
If the warning is displayed by the on-board computer while the engine is running or while driving:
A broken drive belt means there is no power assistance to the steering (more effort is required to steer) and coolant pump function will stop.
Central Warning Light
The central warning light on the instrument panel lights up if there are warning messages in the INFO menu.
The messages can be called in the on-board computer INFO menu:
Brake Warning Light USA
The warning light on the instrument panel lights up:
Additionally, a warning is displayed by the onboard computer.