You can download a copy of the VIbe owners manual from
http://forums.genvibe.com/zerothread?id=1010. SInce you recently bought the used 03 Vibe, you probably didn't get one with the car.You have to press and hold the hatch button. The owners manual (page 2-10 of the 03 manual) saysQuote »HATCH: Press this button for about two seconds toopen the liftglass. If the key is in the ignition, theliftglass cannot be opened by the HATCH button onthe transmitter.