See also:

Horn
Audible warning system to alert other road users to an imminent danger. Press the central part of the multifunction steering wheel. Use the horn moderately and only in the following circumstances: ...

Load reduction mode
System which manages the use of certain functions according to the level of charge remaining in the battery. When the vehicle is being driven, the load reduction function temporarily deactivates ...

Brake fluid level
The brake fluid level should be close to the "MAX" mark. If it is not, check the brake pad wear. Changing the fluid Refer to the servicing booklet for details of the interval for this ...