2007 Lexus GS 450h Owners Manual - Page 538

What to do if... What to do if...A tire punctures P. 460/ If you have a flat tire 461 The hybrid system does not start Hybrid vehicle immobilizer system If the hybrid system will not start P. 476 If the 12 volt battery is discharged P. 59 P. 471 The shift lever cannot be moved out P. 472 If the shift lever cannot be shifted from "P" The engine coolant temperature gauge enters the red zone P. 480 If your vehicle overheats Steam can be seen coming from under the hood The key is lost P. 473 If you lose your keys The battery runs out P. 476 If the 12 volt battery is discharged The doors cannot be locked P. 25 Doors The horn begins to sound P. 61 Alarm The vehicle is stuck in mud or sand P. 483 If the vehicle becomes stuck 526