Lexus 2013 GS 350 Owner's Manual page 671

If a warning message is displayed
If a warning is shown on the multi-information display, stay calm and
perform the following actions:
Master warning light
1
The master warning light also comes
on or flashes in order to indicate that a
message is currently being displayed
on the multi-information display.
Multi-information display
2
If any of the warning light comes on again after the following actions have
been performed, contact your Lexus dealer.
Stop the vehicle immediately. Continuing to drive the vehicle may
be dangerous.
The following warning indicates a possible problem in the brake system.
Immediately stop the vehicle in a safe place and contact your Lexus
dealer.
Warning message
(U.S.A.)
(Canada)
GS350_U (OM30C34U)
7-2. Steps to take in an emergency
Details
Indicates the following:
• The brake fluid level is low; or,
• The brake booster system is malfunctioning.
A buzzer also sounds.
I n f o r ma t i o n P r o v i d e d b y :
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