Honda 1991 Prelude Owner's Manual page 28

Safety Indicator Lights
Headlight Motor Warning Light
The headlight motor warning light will come on if either headlight
motor malfunctions during operation, causing it to lock for three or
more seconds. See page
Door and Trunk Lid Warning Lights
If a door or the trunk lid is open when the ignition is switched on,
the appropriate indicator will light, and stay lit, until the door or
trunk lid is closed.
BRAKE LAMP
If a brake light does not work, the
go on when you push the brake pedal with the ignition on; the
indicator will stay on until you have the lamp repaired or replaced.
Have the brake lights checked as soon as .possible.
It is dangerous to drive your car with a problem in either the brake
electrical or hydraulic system; have your dealer check both
systems if you suspect brake trouble.
Checking the Safety Indicator Lights
The headlight motor, door, trunk lid and brake lamp warning lights
should come on for about t w o seconds when the ignition switch is
turned on. If they don't, have the system checked by a Honda dealer.
127 for manual operation.
Brake Lamp Warning Light
BRAKE LAMP indicator will