Most likely, this sound is coming from a vacuum leak in your brake servo, or brake booster. Which are usually located on the firewall, the wall that divides your engine compartment and cab.
depress the emergency brake. That will shut off the DRLs.
cheack your break booster.
The power brake booster is bad.
You may have to depress the break pedal. Don't quite understand "brake light not coming out of park" ... brake lights are non-moveable item .. please be more specific.
When you fully depress a brake pedal of a vehicle with ABS you will fell a Pulse A pinch a pain a pull
depress the brake pedal and turn the engine switch to the start posiiton and start the engine,,, Does this mean to hold the brake down until you hear the engine start.
Step on the brake pedal.
pinch
pulse
pulse
depress brake pedal
depress the emergency brake