Automotive Service Manager Job Description: Duties and Responsibilities

An automotive service manager job description starts with one sentence: the manager is accountable for the service department's results — its people, its process, its numbers and its compliance.

This page groups those duties into six buckets: managing people, running the process, owning the department P&L, administering warranty work, protecting customer satisfaction, and keeping the department on the right side of state repair rules.

The occupational data treats the title as supervisory.

O*NET links 'Service Manager' and 'Automotive Service Manager' to 49-1011, first-line supervisors of mechanics, installers and repairers — workers who directly supervise and coordinate mechanics and who may also advise customers on recommended services.

O*NET's task statements for that group read like a job posting: decide schedules, sequences and assignments based on work priority and staff skill; inspect, test and measure completed work; monitor employees' work levels and review performance.

The same list includes performing skilled repair or maintenance operations themselves.

At a dealership the chair sits on real scale.

NADA Data puts the average U.S. franchised dealership at $9,687,942 in service and parts sales on 16,252 repair orders in 2025, staffed by 16 technicians including the body shop.

Its figures also put the average customer mechanical labor rate at $186 an hour — what the department charges customers for labor, not a rate your own department has to match.

Setting and structure change the day, not the buckets.

The service manager career guide covers how the dealer, independent and chain versions of the title differ and where the role leads.

Managers run the department on three clocks: a daily loop that keeps today's cars moving, a weekly loop that tunes staffing and output, and a monthly loop that reads the P&L.

The split below is a working template for building your own schedule, not a rule — shops rearrange it around their hours, their volume and their staffing.

Weekly, the loop turns to output and coaching.

Advisor volume is one weekly check: NADA's 2010 service-department guide set its dealership guideline at 18-22 repair orders per advisor per day, totaling 40-50 flat-rate hours, with single-item repair orders only 10-15 percent of the mix.

Weekly is also for the one-on-ones — reviewing technician and advisor performance, and matching next week's appointment demand to the schedule.

Monthly, the manager reads the numbers: the department's P&L and the metrics behind it, against last month and last year.

The next two sections walk the people side and the money side in depth.

The first bucket is people.

The department's day-to-day work runs on two crews — advisors at the counter and technicians in the bays — and the manager schedules their work, monitors their output and reviews their performance.

Matching people to work is the daily act of management.

O*NET's task statements have supervisors deciding schedules, sequences and assignments based on work priority, the quantity of equipment and the skill of personnel — in shop terms, giving the electrical diagnosis to the strongest electrical hand and re-sorting the board as the day moves.

Review is the recurring counterpart: the same task list includes monitoring employees' work levels and reviewing work performance, and inspecting completed work — the check that happens before the customer gets the car back.

For advisors, coaching runs on the counter's numbers, including the repair-order guideline covered in the checklist above.

The advisor role itself is a separate career: the service advisor career guide covers the desk a service manager coaches.

For technicians, staffing is part of the same duty.

The average franchised dealership employed 16 technicians in 2025 including the body shop, per NADA Data — one store's average, but a scale marker for how many schedules a dealership service manager works alongside the counter.

The chair is not always a desk: the skilled-repair task in that federal list is real, and a manager who turns wrenches part of the day is doing something the data names outright.

Our research found no source for the share of managers who also flag hours, so treat the working-manager setup as a per-shop decision rather than an industry norm.

The third bucket is the money.

A service manager owns the department's labor sales, the parts sales attached to its work, its gross profit and its expenses — the lines a department P&L is built from.

At a dealership, that ledger is large.

NADA Data put the average franchised dealership's 2025 service and parts sales at $9,687,942 on 16,252 repair orders, with service and parts at 13.3 percent of total dealership sales dollars.

One reading note on that 13.3 percent: NADA reports sales dollars, not gross profit, so the figure describes the sales mix — it is not a share of dealership profit.

One core line is effective labor rate, and NADA defines it as a formula: labor sales divided by hours billed.

A month at 1,000 billed hours and a $92 effective labor rate means labor sales of 1,000 × $92 — a worked example on illustrative numbers, not a benchmark.

The published guidelines this page can cite are NADA's, and they are dated and dealership-specific.

Its 2010 service-department guide set dealership guidelines of at least $0.80 in customer-pay parts sales for every $1.00 of customer-pay labor, and labor cost of sales at 30 percent or lower — meaning 70 percent or more gross retained.

The same guide's work-mix guideline split labor 60 percent competitive and maintenance work against 40 percent repair work, with labor rates spread by work type.

Absorption ties the department to the rest of the store.

NADA defines fixed absorption by how far the fixed departments — service, parts and the body shop — cover the dealership's adjusted overhead.

Adjusted overhead is total dealership expense minus the expenses tied directly to vehicle sales, and the same 2010 guide records absorption guidelines of 100 percent from NADA's 20 Groups and 75 percent from the NADA Academy.

What fixed operations covers walks that measure and the 2025 figures behind it.

Retention closes the loop: NADA's 2010 guide says the average dealership retains less than 35 percent of its service market potential.

That is the headroom between the customers a store could keep and the ones it does.

A guardrail for reading every figure in this section: these are dealership guidelines and dealership averages, labeled with their years.

Benchmark a department against its own trend line, not against an industry average — the formula is the part that travels from the dealership guide to any shop.

Warranty administration is the duty customers rarely see.

Warranty work is billed to a payer other than the customer, and it runs through a claims process of its own.

The manager owns the shop's side of that: sorting every repair order by who pays, documenting the failure and the repair, and submitting claims the way the payer's program asks.

ASE's task list for its C1 service-consultant credential names that paperwork from the counter side: identifying the customer type and source of payment — first time, warranty, repeat repair, fleet — and knowing warranty policies, service contracts, technical service bulletins and campaigns and recalls.

State rules add requirements of their own, and they differ by state.

Florida's motor vehicle dealer law (section 320.696 of the Florida Statutes) requires manufacturers to pay dealers' warranty claims within 30 days of receiving the claim, and bars manufacturers from conducting warranty, retail customer repair or other service-related audits of a dealer more often than once each calendar year.

California's requirements attach to the estimate and the file instead.

A California BAR regulation (16 CCR 3353(a)) requires an automotive repair dealer to give each customer an estimate containing the estimated price for parts and labor before obtaining authorization.

The state's Business and Professions Code (§9884.11) separately requires the dealer to keep required records, including repair records, for at least three years.

OEM requirements are the automaker's to set: whatever an automaker's program asks of its dealers is that automaker's own system, and a dealership service manager keeps the department aligned to it.

Our research did not establish what any one program requires, so check the automaker's current program materials.

Customer satisfaction is the third stream.

Whatever name a program or shop gives its CSI score, the manager owns the response process: reviewing results, following up on low scores and declined work, and coaching the counter behaviors behind them.

How each manufacturer constructs or weighs its survey is that manufacturer's own system, and this page makes no claim about it.

Here is a sample automotive service manager job description built from the duties above.

If you are interviewing, use it as a checklist against a live posting — what the posting asks for shows what the shop expects the chair to own.

Shops resize the duties to their own setting and headcount.

Position summary.

The service manager leads the service department: its advisors, its technicians and its repair-order flow, accountable for the department's customer experience and its profit and loss.

Core duties:

Qualifications.

Service department experience on either side of the desk — technician, advisor or both — with time leading people.

A working command of the department's metrics, including effective labor rate, and familiarity with warranty administration and the state's estimate and record rules.

One credential sits closest to this chair.

ASE's C1 Automobile Service Consultant test covers communications, customer and internal relations, vehicle systems knowledge, sales skills and shop operations, and certification requires the passed test plus two years of service-writing or service-manager experience — ASE explicitly counts service manager experience toward it.

ASE describes its certification as voluntary, so treat C1 as a qualification a shop may value rather than a requirement the law sets.

The ASE certification guide covers how the tests, experience rules and renewal work.

When you are ready to compare the template against real postings, browse service manager jobs.

Career information for people in shop and dealership work — not legal, licensing, tax or insurance advice. Confirm current requirements with the state agency or manufacturer named, and confirm current figures with their publisher: the NADA numbers on this page are dealership averages and dated (2010) dealership guidelines, not targets for any one shop.