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. Static can occur when things like storms and power lines interfere with radio reception. When this happens, try reducing the treble on the radio.
See also:
Hill and Mountain Roads
Driving on steep hills or through mountains is different than driving on flat
or rolling terrain. Tips for driving in these conditions include:
○ Keep the vehicle serviced and in good shape.
...
Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody.
Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop. ...
Vehicle Overview
GM says the Sierra 1500 Hybrid's gasoline V-8 and electric motors team up for
an overall mileage improvement compared with the regular Sierra. The Sierra
Hybrid is only available as a rear- or fou ...