Gmc 2012 Acadia Manuel d'utilisateur télécharger pdf (Page 193)

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GMC Acadia/Acadia Denali Owner Manual - 2012

Infotainment System 7-13

AM

The range for most AM stations is

greater than for FM, especially at

night. The longer range can cause

station frequencies to interfere with

each other. For better radio

reception, most AM radio stations

boost the power levels during the

day, and then reduce these levels

during the night. Static can also

occur when things like storms and

power lines interfere with radio

reception. When this happens, try

reducing the treble on the radio.

XM™ Satellite Radio Service

XM Satellite Radio Service gives

digital radio reception from coast to

coast in the 48 contiguous United

States, and in Canada. Just as

with FM, tall buildings or hills can

interfere with satellite radio signals,

causing the sound to fade in and

out. In addition, traveling or standing

under heavy foliage, bridges,

garages, or tunnels may cause loss

of the XM signal for a period of time.

Cellular Phone Usage

Cellular phone usage may cause

interference with the vehicle's radio.

This interference may occur when

making or receiving phone calls,

charging the phone's battery,

or simply having the phone on. This

interference can cause an increased

level of static while listening to the

radio. If static is received while

listening to the radio, unplug the

cellular phone and turn it off.

Multi-Band Antenna

The multi-band antenna is located

on the roof of the vehicle. This type

of antenna is used with the AM/FM

radio, as well as OnStar and the XM

Satellite Radio Service System,

if the vehicle has these features.

Keep this antenna clear of snow

and ice build up for clear radio

reception. If the vehicle has a

sunroof, the performance of the

radio system may be affected if the

sunroof is open. Loading items onto

the roof of the vehicle can interfere

with the performance of the radio

system and, if the vehicle has this

feature, OnStar. Make sure the

multi-band antenna is not

obstructed.

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