See also:

Octane rating tips
Using unleaded gasoline with an octane rating lower than recommended can cause persistent, heavy “spark knock.” (“Spark knock” is a metallic rapping noise.) If severe, this can lead to ...

Drinking alcohol/drugs and driving
Never drive under the influence of alcohol or drugs. Alcohol in the bloodstream reduces coordination, delays reaction time and impairs judgement. Driving after drinking alcohol increases t ...

Call volume
Adjusting the incoming or outgoing call volume may improve clarity if reception between callers is unclear. - Incoming calladjusting this setting allows you to hear a difference in volume. - ...