2010 GMC Sierra 1500 Review

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Driving on Grades
Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might get hot and no longer work well. Vehicles can tow in D ...

Express-down Windows
Vehicles with the express-down feature allow the driver and front passenger windows to be lowered without holding the switch. Push the switch down to the second detent, then release, to activate the e ...

Tachometer
The tachometer displays the engine speed in revolutions per minute (rpm). ...