How to Drive an Automatic Car
Two pedals, one selector, and a clear sequence for everything from your first move-off to a hill start in traffic. A grounded guide for Irish learners.
Driving an automatic in numbers
The shape of the lesson, before we get into how the gearbox actually works. Same EDT, same RSA test, fewer moving parts.
Try the gear selector
Tap each position to see what it actually does inside the gearbox. The lever moves the selector cable, which moves the valve body inside the transmission. The labels P, R, N, D are not just letters, they are mechanical states.
Drive wheels locked by a steel pin
P drops a small notched pin called the parking pawl into a ring on the transmission output shaft. The drive wheels physically cannot turn. It is a lock, not a brake. On a hill, set the parking brake first so the car rests on the brake, not on the pawl.
- Engine will only start in P or N on most cars
- Always come to a complete stop before selecting P
- Selecting P while moving can damage the pawl
Drive wheels turn backwards
R selects the reverse gear set. The car must be at a complete stop first; modern transmissions enforce this electronically. Reversing lights come on. Most cars also chime to alert pedestrians and play the rear camera if fitted.
- Stop fully before D to R or R to D
- Creep applies in reverse too, lift the brake gently
- Look over your shoulder, not just the camera
Engine disconnected from the wheels
N disengages the drive. The car can roll freely. You almost never need it in normal driving. Use cases are narrow: a rolling car wash, being towed a short distance, pushing the car out of a tight spot. Do not coast in N downhill. You lose engine braking, brakes overheat on long descents, and modern engines actually use more fuel idling in N than coasting in D off the throttle.
- Not a fuel-saver at traffic lights
- Never coast downhill in N (Wicklow Gap, Healy Pass and the Vee, all bad ideas)
- Engine will start in N as well as P
The car picks gears for you
D engages forward drive. With your foot on the brake, the engine idles. Lift off the brake and the car creeps forward at one to three miles an hour. Press the accelerator and the transmission selects gears as you build speed. Floor it and most automatics drop one or two gears for a burst of acceleration, called kickdown.
- Where you spend 99% of your driving time
- Lift, creep, accelerate, all on one pedal swap
- Some cars also offer S (sport), B (regen, hybrids), L (low) or paddle shifters
Selector layouts vary by manufacturer. The labels and the underlying mechanical states do not.
The two pedals, what each one does
Brake on the left, accelerator on the right. That is the whole layout. Both worked by the right foot. The left foot rests on the dead pedal and stays there. Here is what each pedal asks of you in a real lesson.
Brake (left pedal)
- Hold to stay still in D, no rollback, no clutch needed
- Lift gradually for smooth deceleration
- Press firmly to stop, the car will not stall
- Modern cars also brake harder via Auto Hold and Brake Assist
Accelerator (right pedal)
- Press gently for a smooth roll forward
- Steady pressure cruises, the gearbox shifts up by itself
- Floor it for kickdown, drops a gear or two for overtaking
- Lift fully to coast, the car slows on engine drag
Right foot, every time
Why right-foot only braking? Three reasons your instructor will repeat. First, you cannot accidentally press both pedals at the same time. Second, the brake light pattern stays clean for drivers behind. Third, the muscle memory transfers if you ever sit a manual conversion test. We see learners try left-foot braking on day one, and we walk them back to right-foot only inside the first ten minutes.
Pedal count, gear count, attention left over
A simple way to picture the difference. Every job removed from your feet is attention freed for the road.
3 pedals, 5+ gears
- Clutch, brake, accelerator, in coordinated sequence
- Pick the gear, find the bite point, balance revs
- Roll back risk on every hill start
- Stall risk at every junction
- Hand on the gear lever instead of the wheel
2 pedals, 1 selector
- Right foot brakes, right foot accelerates
- Gears chosen by the transmission, not by you
- Hill hold catches you on slopes for two to three seconds
- Cannot stall, ever, in any circumstance
- Both hands free for steering and observation
Your first lesson, step by step
A first lesson in an automatic does not start in a car park drilling clutch control. It starts at your front door and ends with an hour of real driving in your logbook.
Settle into the cockpit
Seat distance, mirrors, seatbelt. Your instructor walks you through the gear selector, indicators, parking brake, and where the dual controls are. Foot stays on the brake throughout.
Start in P, then move to D
Most automatics will only start in P or N. Press the brake, start the engine, move the lever to D. The parking brake comes off last. The car is now ready to creep when you ease off the brake.
Move off, right foot only
Mirrors, blind spot, lift off the brake. The car creeps forward at idle. Press the accelerator gently. The transmission picks gears as you build speed. No clutch, no stall.
First junction inside fifteen minutes
Mirror, signal, position, look, go. The pattern starts on lesson one because there is no clutch drill to clear first. You are doing real driving on real roads from minute five.
First hill start
Stopped on an incline, foot on brake. Most modern cars hold the brake for two to three seconds after you lift off, that is Hill Start Assist. Move your foot to the accelerator and drive away. No rollback.
Park properly
Stop fully. Parking brake on. Lever to P. That order matters: the parking brake holds the car, the pawl in P backs it up. Engine off. EDT logbook signed for the unit you covered.
Hill starts: how the car does the hard part
The biggest source of stress in a manual driving lesson is the hill start. In an automatic, the car holds itself for you. Here is what is actually happening, and what to do if you ever drive an older auto without the assist.
Hill Start Assist holds the brake
On any incline above a few degrees, the car keeps brake pressure for two to three seconds after you release the pedal. Most Toyota and Nissan cars hold for around two seconds, Kia and Hyundai for three. Move your foot to the accelerator inside that window and drive away.
- No rollback into the car behind
- No handbrake juggling
- Auto Hold (a separate button) holds indefinitely until you press the accelerator
Brake-to-accelerator transfer
Some pre-2010 automatics do not have Hill Start Assist. The technique is simple: keep the brake firm, lift gradually, and the car's idle creep holds you for half a second while you transition to the accelerator. On a steep slope, use the parking brake as a backup.
- Firm brake, gradual lift
- Smooth right-foot transition to accelerator
- Parking brake for steep approaches
What each driving moment actually feels like
Tap through the everyday scenarios. Each one shows what your right foot is doing, what the car is doing for you, and what is left for your eyes and hands.
From parked, brake on, ready
Lever to D. Parking brake off. Mirror check, blind-spot check, indicator on. Lift off the brake and the car creeps forward at walking pace, that is the torque converter doing the work the clutch used to. Press the accelerator and the gearbox steps up through the lower gears as you build speed.
Approach, look, go
Lift off the accelerator on approach. The car decelerates as the engine pulls back through the gearbox, the same effect engine braking has in a manual. Press the brake to bring the speed to where you need it. At a give-way, hold the brake. When the gap arrives, lift, the car creeps forward, then accelerator on as you cross the line.
Crawl, stop, crawl
Stuck behind a queue on the dual-carriageway approach into Cork or out of Galway, the car ahead inches forward every twenty seconds. In a manual that means clutch in, first gear, bite point, off again, repeat for an hour. In an automatic, the brake controls everything: ease off to creep, ease on to stop. Auto Hold (where fitted) keeps the car stopped without your foot at all.
Pull out, kickdown, slot back
Behind a slow tractor on the N-road. Sightline opens, indicate, mirror. Press the accelerator firmly, almost to the floor, and the gearbox drops one or two gears, that is kickdown. The engine surges, the car accelerates, you complete the manoeuvre and lift off. The transmission steps back up to a cruising gear by itself.
Stop, brake, P
Reverse into the bay (or parallel park). Come to a complete stop. Parking brake on first, that is the part the parking brake is designed for. Lever to P, that drops the parking pawl as a backup lock. Engine off. Get out without the car ever having had a chance to roll. On a slope, this order is what protects the gearbox.
Six myths about automatics, fact-checked
Every learner brings a few of these into their first lesson. Here is what is actually true in 2025, on Irish roads, in modern cars.
"Automatics use more fuel"
Not anymore. Eight to ten-speed automatics, dual-clutch boxes, and CVTs typically match or beat manual fuel economy by a few percent. Hybrids and electric cars are all automatic and lead the efficiency tables. The myth is left over from 1990s four-speed boxes.
"Automatics are slower"
False. A dual-clutch transmission shifts in tens of milliseconds, faster than any human can move a gear lever. Most performance cars are now automatic-only for that reason.
"You cannot tow with an automatic"
Most modern automatics tow within manufacturer rating, and many have dedicated tow modes that adjust shift points and add transmission cooling. That is an after-licence concern but worth knowing.
"Shift to N at lights to save fuel"
No. Idle fuel use is the same in D with the brake held. In modern engines the ECU cuts injection when you coast in D off the throttle, so D actually uses less. Shifting N to D under load also adds wear to the transmission.
"Coast in N downhill, save fuel"
Worse than the lights myth. You lose engine braking, brakes overheat on long descents, control suffers, and modern engines actually use more fuel idling in N than coasting in D. Wicklow Gap, Healy Pass, the Vee, all places where this myth costs people brakes.
"An automatic licence is worth less"
Not in modern Ireland. The majority of new cars registered each year are automatic, hybrid, or electric (SIMI). Manual-only models are a shrinking share of the market. If you ever need a manual licence, you sit a conversion test, no second EDT.
The Irish automatic licence, explained
Code 78 is the only piece of paperwork that changes when you sit your test in an automatic. Here is exactly what it is, where it appears, and what it means in practice.
"Restricted to vehicles with automatic transmission"
Code 78 is an EU-standardised restriction code (S.I. 657/2016 in Irish law) that appears on the back of the photocard licence in column 12, listed against Category B. It does not say "automatic only" in words. It is a numeric code that any garda or insurance underwriter recognises immediately. It restricts you to driving automatic, hybrid, or electric vehicles.
If you ever decide you want a manual licence, the path is straightforward: sit the driving test again in a manual car, and the NDLS issues a new card with Code 78 removed. No second EDT, no starting from zero, no permit downgrade.
The majority of Ireland's new cars
- Every modern hybrid (Toyota, Hyundai, Kia, Honda, Lexus)
- Every battery-electric vehicle, without exception
- All conventional automatics across mainstream brands
- Most rental fleets and company-car options
Manual-transmission cars only
- The shrinking pool of manual-only models
- Some older vehicles that have not been updated
- Specialist commercial manual gearboxes (separate licence anyway)
Most of the cars you would actually buy or be insured to drive are now automatic. The restriction is real on paper and almost invisible in practice.
What the driving test still tests
The RSA driving test is around thirty minutes of supervised driving, marked against the same competency sheet whether you sit it in a manual or an automatic. Two columns of faults drop out. Everything else still applies.
Faults you cannot make
- Stalling at a junction
- Wrong gear selection
- Riding the clutch
- Late or missed gear change
- Roll-back on a hill start
The bulk of the marking sheet
- Mirrors, signal, position, observation
- Speed, progress, junction approach
- Reverse around a corner, turnabout, parallel park
- Hill start (still tested, hill-hold helps)
- Use of secondary controls (wipers, demister, lights)
RSA marks faults across three grades: Grade 1 (advisory), Grade 2 (serious, fail at nine total or six in one category), Grade 3 (dangerous, instant fail).
Book your first automatic lesson
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Common questions about driving automatic
Foot on the brake. Start the engine. Move the gear selector from P to D. Release the parking brake. Lift off the brake gently and the car creeps forward. Press the accelerator to build speed. Right foot only, brake or accelerator, never both at once. The car selects gears for you.
P (Park) engages a locking pin called the parking pawl, holding the drive wheels still. R (Reverse) drives the car backwards. N (Neutral) disconnects the engine from the wheels and is rarely used in normal driving. D (Drive) is the position you spend most of your time in. The car picks gears automatically as you accelerate.
No. Every RSA Approved Driving Instructor teaches right-foot braking only. Left-foot braking risks pressing the accelerator and brake at the same time, drags the brake unintentionally, and gives drivers behind a confusing brake-light pattern. Right foot brakes, right foot accelerates. Left foot rests on the dead pedal.
The same 30-minute test, the same examiner, the same RSA marking grades. Stalling and gear-related faults are removed because there is no clutch. Everything else still applies: mirrors, observation, position, signal, progress, junction approach, hill start, reverse around a corner, turnabout, and parallel park. Pass and your full licence carries Code 78, restricted to automatic vehicles. Read about the test.
Code 78 is the EU-standardised restriction code shown on the back of the photocard licence in column 12. It means the holder is restricted to vehicles with automatic transmission. To remove it, you sit the driving test again in a manual car and the NDLS issues a new card.
No, not in modern cars. Eight to ten-speed automatics, dual-clutch transmissions, and CVTs typically match or beat manual fuel economy by a small margin. Hybrids and electric cars are all automatic and lead the efficiency tables. The old idea that automatics cost more to run comes from 1990s four-speed boxes that have not been sold in years.
No. Learner permit holders cannot drive on Irish motorways regardless of transmission. That rule is about the permit, not the car. After you pass the test and hold a full licence, we can arrange a follow-up motorway lesson.
Most of it. Hybrids, electric vehicles, and conventional automatics together make up the majority of new car registrations in Ireland according to SIMI. Manual-only models are a shrinking share of the market, which is why an automatic-only licence is no longer a meaningful restriction in everyday Irish driving.
The four pillars of why automatic
Knowing how to drive one is the first step. The reasons learners choose automatic over manual all flow from the same simple change.
Keep reading
The EDT explained
The 12-hour programme every Irish learner has to complete with an Approved Driving Instructor.
The driving test
What happens on test day, the marking grades, and what examiners look for.
Your learner permit
Step-by-step on getting a Category B learner permit before you start lessons.