Below is a link to a manual for a 2007 Volvo XC90. Page 136 discusses the procedure, which is similar to the process for other cars. http://www.analogstereo.com/pdf/om/volvo_xc90_owners_manual_2007.pdf Even though the battery is located in the back of the car, there's a positive terminal under the hood in front should be used. Exercise caution and follow standard jump start procedures (such as not letting the cars touch, turning off all components like the radio, fan, et in the cars), but the following setup has worked: # Connect the red cable to the positive terminal of the disabled car

Connect the other side of the red cable to the positive terminal

of the boosting car # Connect the black cable to the negative terminal of the disabled car (Volvo) # Connect the other side of the black cable to a metallic part on the boosting car (Volvo) # Start the Volvo/Boosting car # Attempt to start the disabled car