2013 Lexus GS 450h Owners Manual - Page 743
2013 Lexus GS 450h Manual
Page 743 highlights
7-2. Steps to take in an emergency 3 771 Start the engine of the second vehicle. Increase the engine speed slightly and maintain at that level for approximately 5 minutes to recharge the 12-volt battery of your vehicle. Open and close any of the doors of your vehicle with the power switch off. Maintain the engine speed of the second vehicle and start the hybrid system of your vehicle by turning the power switch to ON mode. Make sure the "READY" indicator comes on. If the indicator does not come on, contact your Lexus dealer. Once the hybrid system has started, remove the jumper cables in the exact reverse order from which they were connected. 4 5 6 7 Once the hybrid system starts, have the vehicle inspected at your Lexus dealer as soon as possible.