NORTHAMERICA REMOTE 23451-3950 Smart Key Fob Lexus Rx Nv Lx Single

( Brand: Northamerica Remote ), ( Manufacturer Part Number: 23451-3950 ), ( Part Type: Key ), ( Item Weight: 1.65 Ounces ), ( Package Dimensions: 4.41 X 3.39 X 0.67 Inches ), ( Special Features: Ergonomic ), ( Customer S: 3.3 Out Of 5 Stars ), ( Item Length: 4.41 ), ( Item Height: 0.67 ), ( Item Width: 3.39 ), ( Size: Single )

Review NORTHAMERICA REMOTE Smart Replacement Key Fob Fit Lexus Rx Nv Single

The **NorthAmerica Remote 23451-3950 Smart Key Fob** is a precision-engineered, high-performance accessory designed exclusively for the **2020, 2021, and 2022 Lexus RX 350, RX 350L, and RX N models** equipped with the **Luxury (LX) trim level**. This **single-key smart fob** represents the pinnacle of Lexus advanced keyless entry and push-button start technology, offering seamless integration with your vehicle s sophisticated security and convenience systems. Crafted with Lexus signature blend of durability and ergonomic design, this fob features a **sleek, matte-black exterior** with strategically placed **textured grip zones** for enhanced handling, ensuring a comfortable and secure hold even in wet or slippery conditions. At its core, the **23451-3950** incorporates **Lexus proprietary Smart Key System**, enabling **keyless entry, trunk release, and push-button ignition** with a simple press of a button eliminating the need to physically insert the key into the ignition. The fob s **long-range remote functionality** allows for effortless locking and unlocking of your vehicle from up to **100 feet away**, while its **low-battery indicator** ensures you re always informed of its operational status. Built to withstand the rigors of daily use, this fob is constructed from **high-grade, corrosion-resistant materials**, including a **reinforced internal circuit board** that protects against electromagnetic interference and environmental factors. Additionally, it supports **Lexus advanced security protocols**, including **rolling code technology** to prevent unauthorized access and **remote panic alarm activation** for added peace of mind. Whether you re navigating a bustling city or cruising along a scenic highway, this **NorthAmerica Remote 23451-3950** delivers the ultimate in convenience, security, and luxury perfectly aligned with the refined driving experience of your Lexus RX.

**Pros and Cons of Buying a NorthAmerica Remote 23451-3950 Smart Key Fob for 2020 2022 Lexus RX NV LX (Single Key)**

### **Pros**

1. **Compatibility and Fit**: This is an OEM or high-quality aftermarket replacement designed specifically for the 2020 2022 Lexus RX NV LX models. It should fit perfectly without modification, ensuring proper functionality with the vehicle s security system, keyless entry, and push-button start.

2. **Enhanced Security Features**: The smart key fob includes advanced encryption and rolling codes to prevent unauthorized access, reducing the risk of relay attacks or signal cloning compared to older key fobs.

3. **Convenience and Modern Functionality**: The fob supports keyless ignition, remote start (if equipped), panic button (if available), and may include features like door unlocking, trunk release, and proximity-based engine unlocking. This improves daily usability and security.

4. **Durability and Build Quality**: Lexus key fobs are known for their robust construction, often featuring water-resistant seals, reinforced buttons, and long battery life (typically 2 3 years). A genuine or high-quality aftermarket replacement should maintain these standards.

5. **Resale Value Protection**: Replacing a faulty or lost key fob with an authentic or compatible unit helps maintain the vehicle s resale value, as dealerships and buyers prefer vehicles with full key fob sets.

6. **Ease of Programming**: Lexus key fobs are relatively straightforward to program, either through the dealer or with a compatible programming tool. Many aftermarket fobs come pre-programmed or include clear instructions for DIY installation.

7. **Avoiding Counterfeit Risks**: Purchasing from a reputable seller (such as Lexus-authorized dealers, trusted aftermarket suppliers, or verified online retailers) minimizes the risk of receiving a counterfeit or low-quality duplicate that may fail or interfere with the vehicle s systems.

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### **Cons**

1. **Cost**: The price of an OEM or high-quality aftermarket smart key fob can range from **$150 to $300 or more**, depending on the seller and whether it includes additional features (e.g., remote start compatibility). This is significantly more expensive than a basic aftermarket key fob for older vehicles.

2. **Potential for Counterfeit Products**: Buying from untrusted sellers (e.g., unverified eBay listings, unknown Amazon vendors, or gray-market suppliers) risks receiving a counterfeit fob that may not work, interfere with the vehicle s security system, or require reprogramming. Always verify the seller s reputation and product authenticity.

3. **Battery Replacement Challenges**: While the fob itself may last years, the battery (typically a CR2032) will eventually need replacement. Some users report difficulty accessing the battery compartment due to tight fit or adhesive seals, requiring careful disassembly.

- **Intermittent connectivity** (e.g., fob not responding in extreme weather or when the vehicle is in "sleep mode").

- **False alarms** (e.g., the fob triggering the alarm system unexpectedly).

- **Remote start limitations** (if the vehicle lacks this feature, the fob may not support it, even if marketed as "smart").

- **Dealer-installed fobs** are more expensive but come with a warranty and professional programming.

- **Aftermarket fobs** are cheaper but may lack warranty support, and programming could require additional tools or dealer assistance.

6. **Potential for Voiding Warranty**: If the original fob was lost or damaged due to misuse (e.g., exposure to water, crushing, or improper handling), some Lexus dealerships may deny warranty coverage for a replacement, requiring out-of-pocket payment.

7. **Limited Customization**: Unlike some aftermarket fobs, OEM or Lexus-specific smart key fobs do not offer additional features (e.g., customizable buttons, longer range, or compatibility with smart home systems). They are designed to match the vehicle s stock functionality.

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### **Conclusion**

The **NorthAmerica Remote 23451-3950 Smart Key Fob** for the 2020 2022 Lexus RX NV LX is a **highly recommended purchase** for owners who prioritize **authenticity, security, and convenience**. Its compatibility with keyless entry, push-button start, and advanced security features makes it a superior choice over older or generic key fobs. However, the **higher cost, risk of counterfeit products, and potential programming challenges** warrant careful consideration.

If you value **reliability and long-term performance**, purchasing from a **trusted Lexus dealer or a verified aftermarket supplier** (e.g., Amazon, eBay with seller feedback, or specialty auto parts stores) is ideal. For budget-conscious buyers, a **high-quality aftermarket alternative** (e.g., from brands like OEMTools or Automotive Direct) may offer similar functionality at a lower price, though always ensure it is **Lexus-specific and compatible** with your model year.

- **Best Option:** Buy the **OEM or Lexus-authorized aftermarket fob** from a reputable dealer or supplier to ensure compatibility, warranty, and security.

- **Budget Option:** If opting for aftermarket, select a **Lexus-specific smart key fob** (e.g., matching part number 23451-3950) from a well-reviewed seller and verify it supports all desired functions (e.g., keyless start, remote unlock).

- **Avoid:** Unverified sellers, generic "universal" fobs, or products without clear compatibility guarantees for your exact model year.

Always **test the fob thoroughly** after installation to confirm all functions (unlocking, locking, panic button, start) work as expected. If issues arise, consult a Lexus technician to diagnose potential programming or hardware conflicts.

Details:

Fast Delivery. Smart Replacement Key Fob Fit for 2020 2021 2022 Lexus RX NV LX Remote 4B Hatch - HYQ14FLB 3950 by NorthAmerica Single. Compatibility This key fob fit 08/ 2021 RX350 RX450h RX450hL 07/ 2020 NX200t 2021 Lexus NX300h LX570, FCC ID: HYQ14FLB, board:23451-3950. Beautiful and delicate. Please match the FCC ID from this Remote to original for vehicle If you do not make sure part number matches may program.

specifications replacremot:

• brand: Northamerica Remote
• mpn: 23451-3950
• part type: Key
• item weight: 1.65 Ounces
• package dimensions: 4.41 X 3.39 X 0.67 Inches
• special features: Ergonomic
• customer s: 3.3 Out Of 5 Stars
• item length: 4.41
• item height: 0.67
• item width: 3.39
• size: Single

shipping replacremot:

• cost: $0.00
• class: Expedited
• type: Fixed
• service: Expedited
• transit: 3-8 Days

payments replacremot:

• other
• credit card: Discover
• wallet: Apple-pay

returns replacremot:

• policy: No Returns

offer replacremot:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: February 3, 2026

general replacremot:

• condition: New
• Vehicle Electronics GPS > Car Alarms Security > Replacement Remotes

seller replacremot:

• city: Miami, Florida
• rating: 100.0%
• # reviews: 719

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