Lexus 2003 SC430 Owner's Manual page 57

GAUGES, METERS AND SERVICE REMINDER INDICATORS
IF THIS INDICATOR OR
BUZZER COMES ON ...
(o)
Low fuel level
(p)
warning light
Key reminder
(q)
buzzer
Open
retractable
(r)
hardtop warning
buzzer
40
(a) Brake System Warning Light and Buzzer
DO THIS.
This light comes on in the following cases when the ignition
switch is in the "ON" position.
D When the parking brake is applied ...
Adjust tire pressure.
This light comes on for a few seconds when the ignition switch
is turned to the "ON" position even after the parking brake is
released.
Fill up tank.
If you drive your vehicle without releasing the parking brake,
the buzzer sounds.
D When the brake fluid level is low ...
Remove key.
It is dangerous to continue driving normally when the
Stop immediately and
brake fluid level is low.
open or close the
retractable hardtop D When the hydraulic brake booster fails ...
fully.
If the hydraulic booster causes a problem resulting in poor
braking performance, the warning light comes on and buzzer
sounds continuously.
CAUTION