It means there is a problem with your brake system. Can be it is just low of brake fluid or can mean something more serious. Do not ignore this warning.
a service brake application made at intervals
It's telling you the brake fluid reservoir is low and the brakes need attention.
There is a connection issue between the trailer brake controller and the trailer.
There is a failure in the electronic stability or brake assist system.
Brake servicing can mean a number of things. It can mean your brakes need to be replaced, or they need to fixed up, or simply cleaned. Basically an kind of service involving your brakes.
It really depends on your definition of reasonably priced brake service. I suspect that you mean cheap but quality service. The closet you're going to come to this is to be on the look out for auto shops having promotions.
Basically, a brake assist system monitors the driver?s use of the brake pedal, automatically sensing an attempt to stop the car as a result of panic. It then generates very high braking power, even when the driver is only pressing lightly on the brake pedal. When this is used together with anti-lock braking systems, it results in faster and safer braking. Source: http://www.brakeassist.com
The brake system ha sset a trouble code. If you have the code read you can diagnose from there.
The service brake is the one which applies the brakes - the emergency brake system is the system which releases the spring brakes.
Each wheel has a service brake assembly. The rear service brake assemblies include a parking brake.
A C service is usually an oil change and a brake fluid flush ... .... as well as all around checkup.