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2009 Lexus RX
Key Replacement - Save vs Dealer in San Diego

Mobile Locksmith | We Come to You

Available
2009 Lexus RX Remote Head Key
Remote Head Key

You shouldn't have to take a day off work for a car key. Our mobile service meets you at your location on your schedule. Most appointments available same day.

CA BSIS LICENSE LCO#6792
We Come to You No Towing Needed Home, Work, Roadside
Fast Response15-25
min arrival
100+reviews
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2009 Lexus RX key info from mobile locksmith EZ Car Keyz San Diego CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • San Diego, CA
15+
Yrs Exp
2009 Lexus RX key info from mobile locksmith EZ Car Keyz San Diego CA
Key specialists
Key Specialists
Fully equipped mobile unit - all makes and models
Fixed pricing
At Your Location
Home, office, parking lot - wherever you are
Fast mobile service
No Towing Needed
We handle everything on-site, even all-keys-lost
619 Special
10% OFFCODE:EZ-619-2026

🔥 Mobile key service at your door 🔥

Redeemable on any mobile service call
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2009 Lexus RX
Key Options

Dealer-grade key for a fair, honest price

Remote Head Key
Most popular Lexus key typeMost Popular
2009 Lexus RX Remote Head Key HYQ12BBT
FCC IDHYQ12BBTPart #89070-48821Buttons3BatteryCR2016Frequency314 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Transponder Key
2009 Lexus RX Transponder Key
FCC IDPart #TR60-PTButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Mobile 2009 Lexus RX key fob programming by EZ Car Keyz San Diego CA
Skip the Dealer Markup
Professional key, honest rate
Mobile 2009 Lexus RX key fob programming by EZ Car Keyz San Diego CA
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The 2009 RX uses a remote head key, meaning the fob and the ignition key are one unit, not a separate fob clipped to a blade. The transponder chip lives inside that housing and has to be enrolled to the immobilizer before the engine will run. The battery is a CR2016, which is thinner than the CR2032 most people grab by mistake, so if someone already tried a "fresh battery" swap, confirm they used the right cell. A CR2032 jammed in there will make contact poorly or not at all and mimic a dead fob. Also: the emergency insert blade is part of this key. If the fob body is cracked and the blade is bent or worn, you need the whole unit replaced and programmed, not just a battery.
Related services: Ignition Repair · Smart Key

Lexus RX Key: Mobile vs Dealer Visit

No towing, no waiting rooms - compare the experience

EZ Car Keyz
EZ Car Keyz
Dealership
Average Cost
✓ $$
✕ $$$$
Location
✓ We come to you
✕ You drive there
Wait Time
✓ 20-45 min
✕ 2-5 days
Same-Day
✓ Yes
✕ Rarely
All Keys Lost
✓ No problem
✕ Tow required
OEM Quality
✓ Yes
✓ Yes
EZ Car Keyz wins 5 out of 6
We bring the shop to you
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2009 Lexus RX Remote Head Key Replacement - Fast, Affordable & Professional

A homeowner in North Park called on a Saturday morning. He was parked inside a gated HOA complex and his remote head key had gone completely dead. The fob would not respond, the car would not start, and when I asked if he had a spare he went quiet for a second. No spare. He had been meaning to get one made for two years.

The tow company he called first ran into the HOA gate approval process. Commercial vehicles needed advance notice, and a flatbed on a weekend was not getting cleared same-day. So his RX was just sitting there.

I called ahead to the gate, explained I was a mobile locksmith coming in a personal vehicle, and they let me through. Parked right behind his RX in the lot.

When I looked at the key, the battery was a CR2032, not the CR2016 this key takes. Someone had swapped it months ago thinking it was close enough. It was making intermittent contact at best, which explained why the key had been getting flaky for weeks before it quit entirely. Corrected the battery first just to see where we stood.

The fob came back partially, enough to show the remote functions were still intact. But the programming had dropped, likely from the bad contact causing the chip to lose its enrollment. So I pulled my programmer, enrolled a fresh key to the vehicle, confirmed the immobilizer accepted it, and tested every function including the physical blade in the door cylinder.

He asked about getting a spare made while I was already there. Done. Two working keys, both enrolled, both tested, before noon on a Saturday. His car never left the complex. The dealer would have required a tow, an appointment, and a weekday.

Save vs the Dealer on Your Lexus RX Key

Get your key for hundreds less than the dealer. Same quality, same result, better price.

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BSIS Licensed Locksmith - California License LCO#6792
BSIS Licensed
CA Bureau of Security & Investigative Services
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Liability & vehicle damage coverage
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Also serving: Barrio Logan · Bay Park · Carmel Mountain Ranch · City Heights

Lexus RX Rapid Response, Done Right

Rapid response in the field

Mobile 2009 Lexus RX key replacement at your location in San Diego CA
Remote Head Key | Rapid On-Site Service
2009 Lexus RX | San Diego
Mobile 2009 Lexus RX key replacement at your location in San Diego CA
2009 Lexus RX Remote Head Key
2009 Lexus RX
Remote Head Key | Made at Your Door
Estimated arrival time to San Diego
We Come to You
Rapid Arrival
Available Today
Service location San Diego
San Diego
We Come Here
619 Area
Same-Day Keys (619) 876-1271

Reviews From Happy Lexus Customers

Mobile service that comes to you

H
Hunter P.
Jul 2025
★★★★★

“I called over 40 locksmiths trying to get a key made for my Audi A6 and nobody could do it. Tim made it easy, fast, and affordable. He showed up with a smile and got the job done without any stress. Absolute wizard with keys.”

Google Review
E
Esteban S.
Dec 2025
★★★★★

“My Chevy key snapped while I was running errands in North Oxnard. He removed the broken piece from the ignition, cut a new blade, programmed the transponder, and tested everything thoroughly. The whole job was smooth and professional. Best automotive locksmith I have used.”

Google Review
K
Kelly C.
Dec 2024
★★★★★

“My car keys were stolen on a cold evening and Nick drove all the way out to Santa Barbara. He got into my car, made a new key, and charged $100 less than another company. Friendly, skilled, trustworthy, and genuinely caring. Nick is a hero.”

Yelp Review
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Customer review of mobile 2009 Lexus RX key service by EZ Car Keyz San Diego CA
“Real savings, real reviews.”
Customer review of mobile 2009 Lexus RX key service by EZ Car Keyz San Diego CA
5.0 out of 5 - Based on Over 100 five-star Google reviews
Best Price (619) 876-1271

Lexus RX Mobile Service FAQ

Real costs, no dealer surprises

How long does the Lexus dealer take for a key replacement on a 2009 RX?
If they have the key in stock and an open appointment, you are looking at roughly an hour to ninety minutes in the service bay. The catch is getting to that point. Parts availability on older Lexus remote head keys varies by dealer, and if they have to order the unit, you are waiting days. Then you need a service appointment during shop hours, which at busy dealers can be another week out. And if the car is not drivable because there is no working key, you are also paying for a tow to get it there in the first place. We come to you in North Park, same day. The programming takes about 30 minutes on your driveway. No tow, no appointment, no waiting on parts to arrive.
What exactly is a remote head key and how is it different from a regular key?
Why does a dealer key replacement take half a day when the programming itself is so fast?
I bought a replacement remote head key online. Can I program it myself or do I need a locksmith?
My 2009 RX starts fine but the lock and unlock buttons on the key stopped working. Do I need a whole new key?
Questions? Call (619) 876-1271

Lexus RX Key Service Areas

We come to you in every city listed

📍San Diego County
San Diego County service area map
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San DiegoChula VistaOceansideEscondidoCarlsbadEl CajonVistaSan MarcosEncinitasNational CityLa MesaSanteePowayCoronado
Mobile 2009 Lexus RX locksmith service area in San Diego County CA
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Need a 2009 Lexus RX Key? We Come to You

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