Subaru Forester: Warning and indicator / Electronic parking brake light

The brake system warning light
will
illuminate when the vacuum pressure
sensor is malfunctioning or brake booster
pressure is decreasing.
If the brake warning light continues to
illuminate for several minutes after starting
the engine, there may be a malfunction in
the vacuum system. In this..
The light illuminates with the parking brake
applied while the ignition switch is in the
“ON” position. It turns off when the parking
brake is fully released...
Other information:
..
CAUTION
Use the emergency brake only in
case of an emergency. If the emergency
brake is excessively used, the
brake parts will wear down faster or
the brake may not work sufficiently
due to brake overheating.
NOTE
While using the emergency brake:
The electronic parking brake indicator
light and the indicator light on the
parking brake switch illuminate and a
chirp sounds...