Lexus 2004 GX470 Owner's Manual page 71

GAUGES, METERS AND SERVICE REMINDER INDICATORS
IF THIS INDICATOR OR
BUZZER COMES ON...
(f)
(g)
(h)
(i)
(j)
56
DO THIS.
Take vehicle to Lexus
(k)
dealer.
If brake system
warning light is also
on, stop immediately
and contact Lexus
(l)
dealer.
Close all side doors
(m)
and back door.
Shift four-wheel drive
(n)
control out of "N".
Stop and check.
(o)
Take vehicle to Lexus
(p)
dealer.
IF THIS INDICATOR OR
BUZZER COMES ON...
Stop and check.
Stop and check.
Replace engine oil.
Fill up tank.
Add washer fluid.
Remove key.
Key reminder buzzer
DO THIS.