2007 Dodge Nitro Owner's Manual - Page 136
2007 Dodge Nitro Manual
Page 136 highlights
136 UNDERSTANDING THE FEATURES OF YOUR VEHICLE Programming The Universal Transceiver For best results, install a new battery in the hand held transmitter before programming. If your garage door opener (located in the garage) is equipped with an antenna, make sure that the antenna is hanging straight down. WARNING! Your motorized door or gate will open and close while you are training the Universal Transceiver. Do not train the transceiver if people or pets are in the path of the door or gate. A moving door or gate can cause serious injury or death to people and pets or damage to objects. WARNING! Vehicle exhaust contains carbon monoxide, a dangerous gas. Do not run the vehicle's exhaust while training the transceiver. Exhaust gas can cause serious injury or death.