Cadillac ATS Electrical

The Car Screen Goes Cue Screen Panel Goes Completely Black When I Have The Air On Medium To High. Then The By The Next Day The Battery Dies...

I Got The Alternator For My Car Replaced By My Mechanic And Now My Car's Security System Is Turned On. My Mechanic Says That I Have To...

From Time To Time, When I Park. After Normal Drive (sometimes Loses Power Steering In Process), When I Turn Car Off, All Electrical Power Is...