2012 Lexus LFA Owners Manual - Page 347

5-2. Steps to take in an emergency If the vehicle battery is discharged The following procedures may be used to start the engine if the vehicle's battery is discharged. You can call your Lexus 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 Lexus following the steps below. STEP 1 Open the rear hatch and remove the battery cover. If the rear hatch cannot be opened with the rear hatch opener switch, use the release cable. (→P. 29) STEP 2 After removing the positive (+) battery terminal cover and checking that the negative (-) terminal is securely fixed in place, connect the jumper cables in the following order: Positive (+) battery terminal on your vehicle Positive (+) battery terminal on the second vehicle Negative (-) battery terminal on the second vehicle Negative (-) battery terminal on your vehicle 348