Lexus GS450h Owner's Manual page 480

480
7-2. Steps to take in an emergency
Warning message
(If equipped)
(If equipped)
GS450h_300h_OM_OM30F92E_(EE)
Details/Actions
Indicates a malfunction in the DRS (Dynamic Rear
Steering)
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 electronically controlled
brake system
A buzzer also sounds.
 Immediately stop the vehicle in a safe place and
contact any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer. Con-
tinuing to drive in this condition is dangerous.
Indicates an attempt was made to engage the parking
brake while driving
A buzzer also sounds.
 Press the parking brake switch. If the warning mes-
sage is still displayed, have the vehicle inspected by
any authorized Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
Indicates a malfunction in the parking brake system
A buzzer also sounds.
 Press the parking brake switch. If the warning mes-
sage is still displayed, have the vehicle inspected by
any authorized Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
Indicates that LKA (Lane-Keeping Assist) system cannot
be used due to the vehicle speed being too high
 Slow down.