Lexus GS 350 Owner's Manual page 532

Warning message
(If equipped)
(If equipped)
GS350_300_GS F_OM_OM30J17E_(GE)
7-2. Steps to take in an emergency
Details/Actions
Indicates that steering control function is temporarily
canceled due to the LDA (Lane Departure Alert with
steering control) system determining that the driver
does not have their hands on the steering wheel while
the steering control function is on
If the driver operates the steering wheel only a small
amount, the system may be unable to detect the steer-
ing wheel operations and this warning may be dis-
played.
 Firmly hold the steering wheel.
Indicates that steering control function is temporarily
canceled due to the LKA (Lane-Keeping Assist) system
determining that the driver does not have their hands on
the steering wheel while the steering control function is
on
If the driver operates the steering wheel only a small
amount, the system may be unable to detect the steer-
ing wheel operations and this warning may be dis-
played.
 Firmly hold the steering wheel.
Indicates that the parking brake system is overheating
A buzzer also sounds.
 Do not use the parking brake until the message dis-
appears.
Indicates an engine malfunction
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
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