2010 Toyota Highlander Owners Manual - Page 554

5-2. Steps to take in an emergency If the 12-volt battery is discharged The following procedures may be used to start the hybrid system if the vehicle's 12-volt battery is discharged. You can call your Toyota dealer or qualified repair shop. If you have a set of jumper (or booster) cables and a second vehicle with a 12-volt battery, you can jump start your Toyota following the steps below. STEP 1 Connecting the jumper cables Positive (+) battery terminal on your vehicle Positive (+) battery terminal on the second vehicle Negative (-) battery terminal on the second vehicle Connect the jumper cable to ground on your vehicle as shown in the illustration. 530