374 The treads down the center of a tire may wear down quickly if (A) the tire pressure is too high. (B) the tire pressure is too low. (C) the vehicle load is too heavy.

356 Many vehicles have a cigarette lighter installed in the dashboard which requires a simple touch of a button to operate. Drivers (A) are required to concentrate on driving and may not use the cigarette lighter when operating the vehicle. (B) may use the cigarette lighter if they feel they can do so safely. (C) should use the cigarette lighter because smoking while driving will keep them awake and more alert.

374 The treads down the center of a tire may wear down quickly if
(A) the tire pressure is too high.
(B) the tire pressure is too low.
(C) the vehicle load is too heavy.

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