car stopped on road after electrical operations quit, radio, digital indicators

What is your question?

2008 mercury marquis / i have a new battery, professional installed.... driving car down road at 35mph, radio stopped, lost indication on dash board, blower for air stopped, temperature indicator stopped..... at this point car did nothing when ignition was turned on.....car acted as though it wasn't getting gas ? Had to tow

How long has your 2008 Mercury Grand Marquis had this problem?

one day, today had to tow