There is a good chance the spring that locks the pedal down is out of place. It may have popped out because of to much slack in the cables. You need to remove the parking brake pedal mechanism and reset the spring. After doing that reinstall the assembly and adjust parking brakes and cables to take up slack.
If it's all the way over on the left, it's the parking/emergency brake. You set and release the parking brake with this pedal. If it's right next to the brake, it's a clutch.
To release the parking brake, hold the regular brake pedal down with your right foot. Push down momentarily on the parking brake pedal with your left foot until you feel the pedal release. If the parking brake is not released when you began drive, the brake system warning light comes on and s chime sounds as a warning that the parking brake is still on.Manual Book page 2-28
Check the switch and/or make sure the parking brake pedal is all the way up if it is not that might be air in your brake lines or leak
Parking brake
press the pedal down as far as you can and as it goes up...it should release it...
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probably have broken parking brake cable.
And why in the world would you want to do that, as the rear brakes which are operated by the parking brake are already activated by the brake pedal. Do not even think of doing this.
First, push the clutch/brake pedal all the way in (forward) with your left foot. Then, while holding that pedal in, lift the small handle (the parking brake) on the right side of the engine housing (just above the right foot rest area) with your right hand. While holding the small handle all the way up, release the clutch/brake pedal. The pedal will move back only a short distance and stay there. The parking brake is set. To release the parking brake, just push the clutch/brake pedal forward and the small parking brake handle will fall down, releasing the parking brake. By PhilfromPA
On most cars with a foot pedal parking brake, there is a handle usually just above it that you pull to release the brake.
the manual release lever is attached to the parking brake pedal assy
It's probably a problem with the ABS. New Response: It may be as simple as your parking brake cable in need of adjustment. To check...pull out the release handle while pulling upward on the parking brake pedal. If the light goes out... voila. Adjust the cable..