2001 Nissan Frontier Owner's Manual - Page 143

CAR PHONE OR CB RADIO the CD or return to the previous selection on the CD. ● Hold down or (>1.5 seconds) to advance to the next CD or to return to the previous CD. Volume control is located on the side of the audio control switch. Press the top of the volume control to increase volume. Press the bottom of the volume control to decrease volume. CAUTION Always properly tighten the antenna rod during installation or the antenna rod may break during vehicle operation. When installing a CB, ham radio or car phone in your NISSAN, be sure to observe the following cautions, otherwise the new equipment may adversely affect the MFI (Multiport Fuel Injection) system and other electronic parts. ANTENNA The antenna cannot be shortened, but it can be removed. When you need to remove the antenna, turn the antenna rod counterclockwise. To install the antenna rod, turn the antenna clockwise. Tighten the antenna rod to specification using a suitable tool such as a open-end wrench. The antenna rod tightening specification is 3.4 - 3.6 N m (30 - 32 in-lb). Do not use pliers to tighten the antenna as they can leave marks on the antenna surface. The antenna rod can not be hand tightened to the proper specification. Heater, air conditioner and audio systems 4-39