📍 Serving Worthing & West Sussex — 24/7 Mobile Auto Locksmith
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Toyota Key Replacement Worthing With Keys Cut and Coded at Your Car

Toyota key replacement is a new Toyota key cut to your locks and registered to the immobiliser, so the car opens and starts again. Worthing Auto Locksmith does it at the car on the Yaris, Aygo, Corolla, C-HR and hybrid models, for G chip, H chip and smart keys, with the price agreed on the call.

✔ G, H and Smart Keys✔ Yaris, Aygo, Corolla, C-HR✔ Hybrid Keys Too✔ Open 24 Hours
🕐
Available 24/7
Day, night & bank holidays
🚐
Done at Your Vehicle
No tow to a dealer
🔑
All Makes & Models
Cars, vans & LCVs
💷
Price Agreed First
Before a van is sent
WHAT THE SERVICE IS

Toyota Key Replacement in Worthing

Toyotas have used chip keys since the late 1990s, so every replacement Toyota key is two jobs. The blade is cut to the locks, and the chip is registered to the immobiliser so the engine will run. The chip in your key, and whether the car uses a smart key, decide how that is done. It is the Toyota side of car key replacement, and the other makes are listed under the car makes we cover.

Spare Toyota Keys When One Key Still Works

With a working key, a new key is registered alongside it. It is the quickest and cheapest route on any Toyota, and worth doing before the last key goes. The wider service is a spare car key.

toyota car key replacement
● On site across Worthing and West Sussex
G AND H CHIPS

G and H Transponder Chips, Which Toyota Key You Have

Toyota changed its chip several times, and the letter stamped on the blade is the quickest way to tell which one your key carries.

ChipHow to spot itTypical yearsWhat it means
Older 4D chipA dot or no letter on the bladeLate 1990s to about 2010Cut and registered at the car
G chipA G stamped on the bladeAbout 2010 to 2014Cut and registered at the car
H chip, 128 bitAn H stamped on the bladeAbout 2014 onwardsRegistered at the car with newer equipment
Newest smart key chip, known as 8APush button start, no key in the ignitionNewest Yaris, Yaris Cross, Corolla and C-HRSpare at the car, all keys lost takes longer

Read the letter on your blade out on the call and the right key is brought to the car first time.

KEY TYPES

Toyota Key Types

Toyota uses four main kinds of key.

The Toyota Remote Key

A fixed blade key with lock and unlock buttons in the head, used on most Yaris, Aygo and Corolla models before smart keys. The blade is usually the TOY43 profile.

The Toyota Smart Key

Toyota calls its keyless system Smart Entry and Start. The key stays in your pocket, the doors open by touch and the car starts with the button. It is coded to the keyless system as well, the work covered under smart key replacement.

Hybrid Push Button Start Keys

The Prius, Yaris hybrid, Corolla hybrid and C-HR use a hybrid smart key with a power button rather than an ignition. They are registered the same way as other smart keys.

The Emergency Key

Every smart key hides a metal emergency key for the driver door, often the TOY48 laser cut profile. Toyota key cutting for the emergency key is done in the van, the work described under car key cutting.

BY MODEL

Toyota Key Replacement by Model

Four Toyota models, and the key each one uses.

Toyota Yaris Key Replacement

Older Yaris cars use a remote key with a G or H chip, cut and registered at the car. The Yaris from 2020 and the Yaris Cross use the newest smart key, where a spare is straightforward and all keys lost takes longer.

Toyota Aygo Key Replacement

The first Aygo was built alongside the Citroen C1 and Peugeot 107 and shares their key, so one key system covers all three. The Aygo X uses a newer key, remote or smart depending on the trim.

Toyota Corolla Key Replacement

The Auris and earlier Corolla use G or H chip keys. The Corolla from 2019, including the hybrid, uses a smart key with push button start.

Toyota C-HR Key Replacement

The C-HR uses a smart key from launch, mostly on hybrid models. A spare is added at the car, and all keys lost is confirmed on the call.

WHAT IT COSTS

Toyota Key Replacement Cost

Toyota keys cost less than most premium makes, but the chip and the smart key still move the price. These are typical 2026 UK prices.

JobMobile locksmithToyota dealer
Spare key with a working key£120 to £290£200 to £350 or more
Hybrid or smart keyFrom about £135Higher, key ordered first
All keys lost£240 to £550Varies, sometimes a new immobiliser box
Programming a key you already haveFrom about £95Varies
Key batteryA few poundsA few pounds

A dealer can take 3 to 10 working days because the key is ordered first. A mobile locksmith usually finishes the same day, at the car.

COST FACTORS

What Drives the Cost of a Toyota Key

Four things move the price of a Toyota key.

The Chip

Older 4D and G chip keys cost least, H chip keys a little more, and the newest smart keys most.

Smart Key or Remote Key

A smart key for push button start costs more than a remote key with a blade.

Whether a Key Still Works

A spare costs less than all keys lost, where the car has to be read first.

The Time of the Call

A night or weekend visit can cost more, and that is said on the call.

ALL KEYS LOST

Lost Toyota Keys and All Keys Lost

With no key left, the blade is cut to the locks or to the key code, the car is read through the OBD port or the immobiliser, and a new key is registered. The lost keys are removed so they can no longer start the car, the step described under a car immobiliser reset. The full lost key process is under lost car keys.

Why All Keys Lost Takes Longer on a Toyota

Many Toyotas build a security wait into key registration, and the newest smart keys need extra steps before the car accepts a key. On some older cars a dealer replaces the immobiliser box and ECU instead, which costs far more.

AT A GLANCE
Toyota Key Replacement Worthing
  • ✔G, H and Smart Keys
  • ✔Yaris, Aygo, Corolla, C-HR
  • ✔Hybrid Keys Too
  • ✔Open 24 Hours
📞 Call 07932805727
The price is agreed in writing on the call, before a van is sent.
CHECK FIRST

Toyota Key Not Working, Check These First

Not every Toyota key fault needs a new key. These are the usual causes and what fixes each one.

What you noticeLikely causeWhat fixes it
Remote works less often, range shorterWeak key battery, usually a CR2032A new battery
Immobiliser light flashing, car will not startKey not recognised or chip damagedCar key programming
Key turns hard or sticksWorn bladeA new blade cut to code
Smart key not detectedBattery, or the key has lost its registrationBattery first, then registering the key again
Keys locked inside the carNo fault with the keyLocked keys in car
OTHER MODELS

RAV4, Prius and Hilux Keys

The RAV4 and Prius follow the same chip and smart key rules as the cars above, with smart keys on most recent models. The Hilux pickup uses a remote key on many versions and the Proace van a flip key shared with its sister vans, both cut and coded at the vehicle, and work vehicles are also covered under van key replacement.

HOW IT WORKS

How a Toyota Key Replacement Works in Worthing

Every Toyota key job starts with the chip and whether the car uses a smart key.

1

Registration and Key Checked

Call 07932805727 with the registration and the letter on your blade if you have a key.

2

Price Agreed in Writing

The price is agreed before a van leaves, including the key and the coding.

3

Ownership Checked and Key Registered

The V5C and photo ID are checked, then the key is cut and Toyota key programming registers it at the car.

4

Tested, and Lost Keys Removed

The key is tested on the doors, boot and engine, and any lost key is removed.

VEHICLES WE COVER

Toyota Models We Make Keys For

Most Toyota cars and vans are covered at the car. The newest smart keys are confirmed on the call.

Toyota hatchbacks and saloons
✔ Aygo
✔ Aygo X
✔ Yaris
✔ Auris
✔ Corolla
✔ Avensis
✔ Prius
Toyota SUVs
✔ Yaris Cross
✔ C-HR
✔ RAV4
✔ Land Cruiser
Toyota pickups and vans
✔ Hilux
✔ Proace
COVERAGE

Areas We Cover for Toyota Key Replacement Worthing

Toyota keys are replaced at the car across 15 towns and districts in BN11 to BN17, BN43, BN44, BN5 and RH20. Arrival times for each town are listed under areas we cover.

Worthing districts
📍 West Worthing BN11📍 Broadwater BN14📍 Durrington BN13📍 Goring-by-Sea BN12
East, along the Adur
📍 Lancing BN15📍 Shoreham-by-Sea BN43
West, along the Arun coast
📍 Ferring BN12📍 East Preston BN16📍 Angmering BN16📍 Rustington BN16📍 Littlehampton BN17
North, over the Downs and into the Weald
📍 Findon BN14📍 Steyning BN44📍 Storrington RH20📍 Henfield BN5
FAQS

Questions About Toyota Key Replacement in Worthing

The questions asked most about Toyota keys, from G and H chips and cost to lost keys.

A spare Toyota key usually costs £120 to £290 with a mobile locksmith, and all keys lost £240 to £550 depending on the model. A dealer charges £200 to £350 or more and can take 3 to 10 working days. The price for your car is agreed on the call.

Look at the metal blade. Many Toyota keys have a letter stamped near the head, G for the G chip and H for the H chip. A dot or no mark usually means an older chip.

Usually the battery or the remote circuit. A new battery comes first, then a remote car key repair if the buttons still fail.

Programming takes around 20 to 40 minutes, and a spare is usually done within an hour or so. All keys lost on a newer smart key can take longer because of the security routine.

The V5C and photo ID in the same name. The VIN confirms the key, and company or lease cars need a letter from the keeper.

Yes, on most Toyotas. The key is cut to the locks and registered to the immobiliser at the car. The newest smart keys take longer, and that is said on the call.

Almost certainly. Toyotas have used chip keys since the late 1990s, and each chip is coded as described under transponder key programming.

Often, yes. The chip and circuit move into a new shell, which is a car key fob repair and costs less than a full Toyota key fob replacement.

On the first Aygo, yes. The three cars were built together and share the same key and immobiliser system.

Yes. Toyota keys are replaced at the car across Worthing, Goring, Lancing, Shoreham-by-Sea and the rest of the 15 towns covered.

Toyota Keys Cut and Coded Across Worthing, at Your Car

Have the registration ready, and the letter on your blade if you have a key. The price is agreed in writing before a van leaves.

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