2006 Lexus GS 300 Owners Manual - Page 1003

STARTING AND DRIVING STARTING THE ENGINE WHEN THE ELECTRONIC KEY BATTERY IS DISCHARGED If the electronic key battery is discharged, the engine can be started using the following procedure. 5. Unlock the door with the mechanical key and bring the electronic key into the vehicle. In addition, we recommend that the electronic key battery be changed as soon as possible. Stopping the engine G31036 G11038 If you press the engine switch while the selector lever is in "P" and the engine is running, regardless of brake pedal position, the engine will be turned off. 6. While the brake pedal is depressed, hold the ornament side of the electronic key about 10 mm (0.4 in.) over the engine switch as shown. 7. Within 5 seconds of the chime sounding, push the engine switch with the brake pedal depressed to start the engine. When you push the engine switch with the brake pedal not depressed at this time, the engine will not start, but it is possible to select "ACC", "IG−ON" and "OFF" mode. If it is not possible to start the engine or change the mode using this procedure, contact your Lexus dealer. With the transmission not in "P", the engine switch is selected in "ACC" mode. If, in an emergency, you must turn the engine off while the vehicle is moving, press the engine switch for more than 3 seconds. At this time, "ACC" mode is selected. Several hours after the engine is turned off, you may hear a sound coming from underneath the luggage compartment for several minutes. This is normal operation and does not indicate a malfunction. (See page vi.) 357