Lexus GS450h Owner's Manual page 483

Warning message
GS450h_300h_OM_OM30F92E_(EE)
7-2. Steps to take in an emergency
Details/Actions
Indicates that the vehicle is unable to drive over 110 km/h
(65 mph) until the transmission warms up
A buzzer also sounds.
 Wait until the transmission warms up.
Indicates that the parking brake is set automatically while
the brake hold system is holding the brakes
A buzzer also sounds.
 Release the parking brake.
Indicates a malfunction in the Drive-Start Control system
A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Indicates a malfunction in the brake override system
A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
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