Suzuki swift 1.3 daahbıard electricity problem

What is your question?

Hello. Ä° have 2010 swift 1.3. Sometimes handbrake lights on suddenly on dashboard.for 2 3 second.At same time fuel indicator goes min. And come back normal place.these things happen at same time.it takes 2 second and finishs and everything be normal.it usually happens during on first 10 min when start driving. As electric comes and goes for a second. Battery is new.brake pads are new.No prob on handbrake and fuel system.But why this do that? Ä°f its about electric system..so why just handbrake and fuel sytem is affected on it? Thanks for answers.

What makes this problem better or worse?

Nothing

How long has your 2001 Suzuki Swift had this problem?

Ä° bought car recently