Brake Low Vacuum Warning Light - Isuzu NPR 2008 Owner's Manual

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If the light remains on after engine start up or comes on during
operation of the vehicle, it may mean that there is something wrong
with part of the brake system.
What to do:
1. Check to see that the parking brake has been released. If it has
been:
2. Turn on the exhaust brake to help slow the vehicle.
3. Pull off the road and stop carefully. Remember that:
• Stopping distances may be longer.
• You may have to push harder on the pedal.
• The pedal may go down farther than normal.
4. Check the brake fluid level indicator on the left side of the
instrument panel. If low, add fluid as needed.
If brake fluid level is not low:
5. Try out the brakes by starting and stopping on the road shoulder
then:
• If you judge it to be safe, drive cautiously at a safe speed to the
nearest dealer for repair.
• Have the vehicle towed to the nearest dealer for repair.
C o n t i n u e d d r i v i n g w i t h o u t n e c e s s a r y r e p a i r s c o u l d b e
dangerous.

Brake Low Vacuum Warning Light

BRAKE
BOOSTER
This light should come on to provide a bulb check when the
engine control switch is turned to the "ON" position. It should go out
when the engine has started. If the light does not come on when the
engine control switch is turned to "ON", it could indicate a burned
out bulb or a blown fuse. Have the system repaired if the light does not
come on during this check.
The brake low vacuum warning light and warning buzzer alarm should
come on to indicate low vacuum reserve for brake power assist.
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