2006 Lexus GS 300 Owners Manual - Page 1074

STARTING AND DRIVING Vehicle stability control failure warning G31038 G31039 "Slip indicator light If the vehicle is going to skid during driving, the slip indicator light blinks and an alarm sounds intermittently. Special care should be taken while driving. GS430-The slip indicator light comes on when the engine switch is selected in "IG−ON" mode. The light goes off when the engine is started. GS300-The slip indicator light comes on for a few seconds when the engine switch is selected in "IG−ON" mode. If the indicator light does not come on when the engine switch is selected in "IG−ON" mode, contact your Lexus dealer. " 1 GS430 2 GS300 If the vehicle stability control system malfunctions, the slip indicator light (two−wheel drive models only) and brake system warning light (yellow) come on. At this time, the above message appears. (GS430 only-In some cases, the multi − information display shows either "CHECK VSC" or "CHECK ECB*" only.) *: Electronically Controlled Brake System If the message appears, the vehicle stability control system, traction control system and hill−start assist control system do not work. Although it is no problem to continue driving, have your vehicle checked by your Lexus dealer as soon as possible. 428