2010 Toyota Highlander Owners Manual - Page 555

5-2. Steps to take in an emergency STEP 2 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 with the "POWER" switch OFF. Maintain the engine speed of the second vehicle and turn the "POWER" switch to ON mode, then start the hybrid system. Make sure the "READY" indicator comes on. If the indicator does not comes on, contact your Toyota dealer. Once the hybrid system has started, remove the jumper cables in the exact reverse order in which they were connected. STEP 3 STEP 4 STEP 5 STEP 6 Once the hybrid system starts, have the vehicle inspected at your Toyota dealer as soon as possible.