Seat adjustment — South Dakota Permit Test

Seat adjustment on the South Dakota permit test — 5 rules, each with the reason behind it and a question on it while it is fresh.

The rules

Sit upright with your back against the seat and feet on the floor; slouching can reduce how well the vehicle’s restraint system works.

A slouched body slides under the belt in a crash and hits the dashboard.

Improper seating positions, such as slouching, can result in reduced effectiveness of the vehicle’s restraint system.
South Dakota Driver License Manual, p.25

There should be 10 inches between your chest and the steering wheel, and you should not recline the seat.

Sitting too close puts your chest in the path of an air bag that opens at great speed.

There should be 10 inches between your chest and the steering wheel.
South Dakota Driver License Manual, p.25

The top of the steering wheel should be no higher than the top of your shoulders and below chin level.

A wheel set too high puts the air bag in your face and blocks your view of the road.

The top of the steering wheel should be no higher than the top of your shoulders and below chin level.
South Dakota Driver License Manual, p.25

Your foot should be able to pivot smoothly from brake to accelerator while your heel stays on the floor.

Lifting the whole leg to find the brake costs time you do not have in a sudden stop.

Your foot should be able to pivot smoothly from brake to accelerator while your heel is kept on the floor.
South Dakota Driver License Manual, p.25

Head restraints are designed to prevent whiplash and should contact the back of your head, not sit below the level of your ears.

A head restraint set too low lets your head snap back over it when you are hit from behind.

Head restraints should be adjusted so the head restraint contacts the back of your head and not below the level of your ears.
South Dakota Driver License Manual, p.25

On the test

Why does the manual warn against slouching in the driver seat?

It weakens the restraint system. A slouched body slides under the belt in a crash and hits the dashboard. South Dakota Driver License Manual, p.25: “Improper seating positions, such as slouching, can result in reduced effectiveness of the vehicle’s restraint system.”

How this works

Most practice tests hand you a bank of questions and leave the manual somewhere else. This one puts them together.

You read one law and the reason behind it, then answer a question on that law while it is still fresh. Get it right and you move on; get it wrong and you have found the gap while it is cheap to fix, not on the morning of the exam.

Learning one rule at a time, and proving it immediately, is what turns a manual you skimmed into something you actually know — and it makes studying feel like getting somewhere rather than like waiting to find out.

What it costs

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Where these come from

Every rule here is checked against South Dakota Driver License Manual, published by the South Dakota Department of Public Safety, and against the state code itself. Last checked 2026-10-04.