Can you replace an Acura ILX key if I lost all keys?

Often, yes. After ID and proof of ownership are confirmed, a mobile locksmith can originate a compatible smart key/fob for the ILX sedan, enroll it to the immobilizer, and test starting and remote functions on-site.

Do you handle Acura ILX smart keys and remotes?

Yes, many ILX sedan configurations use a push-to-start smart key system. Replacement typically includes compatibility checks (such as FCC ID/chip type) and OBD-based programming when supported.

What proof of ownership is needed for Acura ILX key replacement?

Youu2019ll need a government-issued photo ID plus proof of ownership (commonly registration or title). Requirements can vary by U.S. state and Canadian province.

Can you use a customer-supplied key or fob for an Acura ILX?

Sometimes. The customer-supplied fob must be compatible (correct FCC ID and chip type) and programmable. Many used or refurbished fobs are locked or previously enrolled, which can prevent programming.

When is the final quote confirmed?

The final quote is confirmed after the vehicle year, key type, parts compatibility, location, and authorization are reviewed, and before work begins.

🚐 Mobile dispatch🕘 24/7 availability🧾 Clear scope first

Acura ILX Key Replacement & Locksmith Service | Low Rate Locksmith

Need Acura ILX key replacement? Get help with smart keys, spares, all-keys-lost, programming, lockouts, and ignition-related issues across the USA and Canada.

📍 USA & Canada coverage🪪 ID + authorization required🔐 Transponder / remote / smart key

📞 Call (833) 439-8636 Get an estimate →

Authorization note: For vehicle key work, the technician must verify ownership or authorized use before programming.

🪪 Compliance checkpoint: Bring a government ID and proof of ownership or authorized use. If details don't match, work cannot proceed.

Low Rate Locksmith provides Acura ILX, a compact sedan, key replacement and mobile locksmith service across the USA and Canada. If you lost your keys, need a spare, or your push-to-start fob is not being recognized, we can cut and program compatible keys/fobs on-site after ID and proof of ownership are confirmed.

Quick answers for Acura ILX key replacement

Question	Answer
Typical cost	Industry-typical (USD): smart key spare $200-$400 (mobile locksmith) or $250-$450 (dealer); smart key all keys lost $350-$700 (mobile locksmith) or $380-$650 (dealer). Canadian customers typically pay the equivalent in CAD. Exact price is confirmed at dispatch based on year, key type, parts, and location.
Programming required?	Yes for most ILX sedan smart keys/fobs. Add-a-key programming is typically done through OBD, and all-keys-lost programming is often OBD-based (some variants may require dealer-only all-keys-lost handling).
All keys lost?	Often serviceable after authorization is confirmed. We identify the ILX sedan’s key system, originate a working key/fob, enroll it to the immobilizer, then test start + lock/unlock.
Online fob accepted?	Sometimes. Customer-supplied fobs can be incompatible, previously locked, or the wrong FCC ID, so compatibility is checked before any programming attempt.
What to prepare	Vehicle year, your location (USA state or Canadian province), a government ID, proof of ownership, and whether you have a working key/fob.

Acura ILX key service at a glance

Year context: 2013–2026 (exact key system varies by trim and market)
Typical cost band shown on this page: ($180-$900)
Key system (common): Honda/Acura smart key (push-button, smart key system)
Programming: usually required (OBD-based enrollment is common)
Common FCC IDs seen on ILX sedan smart keys: KR5V21, KR5V1X, KR580399900, KR5434760
Service area: mobile coverage across the USA and Canada

Acura ILX key replacement
ILX sedan key fob replacement
ILX fob programming
Acura ILX smart key
ILX all keys lost
Acura compact sedan key service
ILX push-to-start key not detected
Acura ILX transponder and immobilizer help

Popular Acura ILX key services

Key system context for the ILX sedan

Many Acura ILX sedan configurations use a Honda/Acura smart key (push-button, smart key system) where the vehicle’s immobilizer must recognize the correct transponder and remote identity before it will start. That means a replacement is usually more than cutting a blade: it’s pairing a compatible fob/key to the car’s security system, then confirming lock/unlock and starting behavior on-site.

Common identifiers used to match the correct replacement include the fob’s FCC ID (examples seen on ILX sedan smart keys include KR5V21, KR5V1X, KR580399900, and KR5434760) and the transponder type (examples include ID47 and PCF7945A). Not every fob that “looks right” will program.

Key and fob anatomy (what can fail)

Key fob housing

Cracks and worn button pads can make a fob unreliable even if the electronics still work.

Transponder chip

The chip (often ID47 or PCF7945A on smart-key variants) must be accepted by the immobilizer to start.

Battery compartment

Weak coin-cell batteries cause intermittent range and “not detected” complaints.

Emergency key blade

Some smart fobs contain a metal emergency blade used for mechanical entry if the fob battery dies.

Door lock mechanism

Wear or damage can make mechanical entry difficult even with a correctly cut blade.

Ignition and start authorization

Push-to-start problems can be fob-related, vehicle-battery-related, or a start-system issue that needs diagnosis.

Decision points before you buy a fob

Dealer, mobile locksmith, online fob, or DIY?

Option	Best for	Watch out for
Acura dealership	OEM parts and dealer records	Towing, appointments, higher total cost
Mobile locksmith	Lost keys, spare keys, no-tow situations	Requires ID, ownership proof, compatible parts
Online fob	Possible savings when exact part is known	Used/refurbished fobs may be locked or incompatible
DIY programming	Add-a-key for older mechanical/transponder	Not suitable for all-keys-lost or modern smart key

OEM vs aftermarket fob: what changes

With the ILX sedan smart-key system, the limiting factor is usually compatibility (FCC ID, chip, and whether the fob is “virgin”/programmable). Aftermarket can work when it is the correct spec, but unknown sources and previously programmed fobs are common failure points.

Dead fob battery vs dead vehicle battery

“Key not detected” on an ILX sedan can come from the fob coin-cell battery, the vehicle’s 12V battery being low, or a mismatch/failed fob. A quick battery and voltage check can prevent unnecessary parts replacement.

Acura ILX key compatibility by era

Years (context)	Key system (typical)	Notes
2013–2026 (many trims)	Smart key system / push-to-start	Typical chip: ID47 (some variants PCF7945A). Common FCC IDs include KR5V21, KR5V1X, KR580399900, KR5434760. Add-a-key is typically OBD; all-keys-lost is often OBD, but certain variants may be dealer-only for all-keys-lost (confirmed for your vehicle after compatibility is checked).
All years with smart fob	Emergency mechanical key blade (backup)	If equipped, the emergency blade is cut to the door lock for entry when the fob battery is dead. It does not replace immobilizer programming.

Pricing for Acura ILX key work

For the ILX sedan, pricing is driven mostly by whether you need an additional smart key (spare) or you are at an all-keys-lost situation where the immobilizer must be re-seeded/enrolled from zero. Customer-supplied parts can reduce parts cost, but only when the exact FCC ID/chip type is compatible and programmable.

Industry-typical pricing (USD): smart key spare $200-$400 (mobile locksmith) or $250-$450 (dealer); smart key all keys lost $350-$700 (mobile locksmith) or $380-$650 (dealer). Canadian customers typically pay the equivalent in CAD.

Factor	Cost impact
Spare key with one working key	Usually lower (add-a-key programming is simpler than re-creating from zero)
All keys lost	Usually higher (origination + immobilizer enrollment + more testing)
Smart key / push-to-start	Usually higher (fob cost + encrypted enrollment steps)
Customer-supplied fob	Depends on compatibility and whether the fob is programmable (many used units fail)
Emergency timing or remote location	May affect the service call portion of the total
Vehicle-side issue (battery, ignition)	May require diagnosis before key work can succeed

Final pricing is confirmed after the vehicle year, key type, location, authorization, and compatibility are reviewed.

All keys lost

For the ILX sedan smart-key system, we originate a compatible fob/key and enroll it to the immobilizer before testing start and remote functions.

Key turns, won’t start

If your ILX sedan uses an immobilizer, a cut key can still fail to start until the chip/fob is properly enrolled.

Fob works, engine doesn’t

Lock/unlock may work while start authorization fails; we separate fob RF issues from immobilizer pairing issues.

Push-to-start not detecting

We check the fob battery, vehicle 12V battery health, and fob compatibility before recommending replacement.

Online key uncertainty

We can attempt programming when the FCC ID/chip is correct, but used/refurbished fobs are commonly locked or incompatible.

"Key not detected" diagnostic

On the ILX sedan, this can be a weak fob battery, low vehicle battery voltage, an incompatible fob, or a start-system fault that needs deeper diagnosis.

Hard stop: no authorization

If ID and ownership cannot be confirmed, we do not cut keys, program fobs, or provide entry.

What this service is (and what it isn’t)

✅ What this service includes

Key/fob type identification using the vehicle and its records (including FCC ID and chip compatibility where applicable)
Cutting an emergency blade when the ILX sedan uses one
OBD-based smart-key enrollment when supported by the vehicle’s system
Lock/unlock and starting verification tests before closeout
Job documentation you can keep (what was done and what was tested)

❌ What this service does NOT include

Bypassing or defeating the immobilizer/anti-theft system
Work without ID and proof of ownership
Body or electrical repair unrelated to keys (beyond basic diagnostic checks needed for key work)
Guaranteeing that every online/used fob can be programmed
Promise of a specific arrival time window

Customer-supplied keys warning: If you bring your own ILX sedan fob, it must be the correct FCC ID and chip type and be programmable; otherwise, programming may fail even when equipment and procedures are correct.

A simple, documented workflow

Verify vehicle + authorization

Confirm identity and ownership, then confirm the service scope before any cutting or programming.

Identify key type + compatibility

Match the correct ILX sedan key/fob type (for example by FCC ID and chip) and confirm the programming path.

Cut and/or enroll the key

Cut the emergency blade if needed and enroll the smart key to the Honda/Acura smart key (push-button, smart key system) via OBD when supported.

Confirm and document

Test start + lock/unlock + remote functions, then document results and next steps (spares recommended).

1. Verify vehicle + authorization

We confirm ID and ownership documentation, confirm the service location, and align on scope and expected outcomes.

2. Identify key type + compatibility

We confirm whether your ILX sedan uses a smart key and which FCC ID/chip type is compatible before attempting programming.

3. Cut and/or enroll the key

We cut the emergency blade when applicable and enroll the smart key to the Honda/Acura smart key (push-button, smart key system) through an OBD workflow when supported.

4. Confirm and document

We test lock/unlock, trunk, and start authorization, then provide closeout documentation and recommendations (including making a spare).

Is this the right service for you?

👤 This fits you if…

Your ILX sedan key/fob is lost, broken, or unreliable and you need a verified replacement.
You want a spare smart key to avoid an all-keys-lost situation later.
You can provide ID and proof of ownership in the USA or Canada.

🚫 This does NOT fit you if…

You cannot provide authorization documents.
You want immobilizer bypass services.
You need bodywork, module replacement, or unrelated electrical repair beyond key service.

What you receive

Stage	Deliverable	Format
Vehicle ID	Key system identification for the ILX sedan (smart key vs other)	On-site confirmation
Authorization	Documented ID and ownership check	Recorded in job notes
Cutting	Emergency key blade cut (when applicable)	Physical key
Programming	Smart key enrollment (add-a-key or all-keys-lost, as supported)	OBD session outcome
Verification	Start + lock/unlock + remote function tests	On-site demonstration
Closeout	Final quote approval and service summary	Receipt / documentation

A process built for mobile key work

Clear scope before work

We align on what will be done (cutting, programming, diagnostics) before any irreversible steps.

Authorization-first policy

ID and proof of ownership are required. This is consistent across the USA and Canada.

Compatibility checks

We check key type, FCC ID, and chip requirements so you don’t pay for a fob that cannot be enrolled.

Verification before closeout

We test start authorization and remote functions on-site before the job is closed.

Mobile workflow

Most ILX sedan key jobs can be completed where the vehicle sits, reducing the need for towing.

Service-specific expertise

Automotive key work requires different tools and procedures than lockouts or mechanical repairs.

Parts options when supported

When compatibility allows, we can discuss OEM-equivalent and certified aftermarket options.

Documentation you can keep

You receive a clear record of what was programmed and what functions were tested.

Entity coverage clarity

We focus on key replacement, fob service, and ignition-related locksmith diagnostics for the ILX sedan.

What we stand behind (and what’s excluded)

✅ What we guarantee

Work is performed only after authorization is confirmed.
We test agreed functions (start, lock/unlock, remote features) before closeout.
If we supply the parts, we stand behind the installed key/fob for the agreed service outcome.
Clear documentation of what was done and what was tested.

⚠️ What’s excluded

Failures caused by customer-supplied or previously programmed/locked fobs.
Vehicle module, wiring, or battery faults unrelated to the supplied key/fob.
Damage or wear in locks/ignition outside the agreed key-service scope.
Requests that violate local law or policy (rules vary by state and province).

🧾 How to use it: Keep your receipt and service summary. If something you paid for isn’t functioning as tested at closeout, call (833) 439-8636 so we can review the job notes and arrange the next step.

Six ways to lower total cost

Make a spare before you’re at zero

Adding a smart key when you still have one working fob is usually simpler than an all-keys-lost ILX sedan call.

Confirm push-to-start vs turn-key

Knowing whether your ILX sedan is push-to-start helps match the correct fob and avoids mismatched parts.

Avoid unknown aftermarket parts

Used or unknown-source fobs may be locked or the wrong FCC ID, which can turn a “savings” into repeat service calls.

Have the vehicle accessible

Ensure the car is reachable and the battery is accessible if the trunk/hood release is tied to power.

Stabilize vehicle voltage

Smart-key enrollment is sensitive to low voltage; a weak 12V battery can cause programming to fail mid-session.

Schedule non-emergency when possible

If you’re in the USA or Canada and can plan ahead, non-emergency scheduling can reduce total service-call variability.

More ways we can help

References

Compatible Keys & Fobs for Acura ILX

Ready to get your Acura ILX key replaced?

📞 Call (833) 439-8636 Get a quote →

Frequently asked questions

Talk to a locksmith about your Acura ILX.