The ABS and Brake lights stay on when the Abs computer has detected a malfunction and set a trouble code. You need to have the system checked for codes
probably a faulty or mis-aligned brake light switch.
A defective or out of adjustment brake light switch.
why my jeep brake light on all time
It doesn't
get an engine diagnostic scan.
my brake light stay on but emergency brake is unhooked
There are many reasons why mice might like your Jeep Liberty. This vehicle is a nice warm place to stay.
You need to have it checked for codes, and after the code is fixed the light will stay off.
Check the operation and/or alignment of the stop light switch usually located at the upper end of the brake pedal under dash area
disconnect battery for at least 10 minutes that should reset computer code
Probably a brake light switch.
STICKING BRAKE LIGHT SWITCH AT THE TOP OF THE BRAKE BEDAL