2010 Lexus RX 350 Owners Manual - Page 585
2010 Lexus RX 350 Manual
Page 585 highlights
5-2. Steps to take in an emergency Connect a negative cable clamp to the negative (-) battery terminal on the second vehicle Connect the clamp at the other end of the negative cable to a solid, stationary, unpainted metallic point away from the battery and any moving parts, as shown in the illustration. STEP 3 Start the engine of the second vehicle. Increase the engine speed slightly and maintain that level for approximately 5 minutes to recharge the battery of your vehicle. STEP 4 Open and close any of the doors with the "ENGINE START STOP" switch off. STEP 5 Maintain the engine speed of the second vehicle and start the engine of your vehicle by turning the "ENGINE START STOP" switch to IGNITION ON mode. STEP 6 Once the vehicle's engine has started, remove the jumper cables in the exact reverse order from which they were connected. Once the engine starts, have the vehicle inspected at your Lexus dealer as soon as possible.