Can you add blind spot monitoring after purchase?
Yes. In most cases you can add blind-spot monitoring after buying a vehicle, either via a factory retrofit, a dealer-installed option, or a reputable aftermarket kit, though availability, cost, and compatibility vary by model.
Blind-spot monitoring (BSM) is a driver-assistance feature that uses sensors to detect vehicles in your blind spots and typically provides a visual or audible warning. Adding it after you’ve purchased a car involves navigating OEM options, dealer services, or third-party systems, and the process can differ based on the vehicle’s make, model, and year. The following sections explain the common paths, key considerations, and practical steps to take.
Paths to add blind-spot monitoring after purchase
The following options represent the most common routes to retrofit BSM. Each option has its own requirements and potential impact on warranty and calibration.
- OEM factory retrofit or dealer-installed option: Some automakers offer a retrofit package that moves through the dealership as a genuine factory upgrade. These kits are designed to integrate with the vehicle’s existing electronics and warning displays, and they often require calibration at a service center. Availability varies by model and region, and pricing can be substantial.
- Dealer-installed accessory or dealer-available software update: In some cases, dealers can install an official accessory kit or enable a previously unavailable feature through software updates and sensor calibration. This path can be less costly than a full factory retrofit and is more likely to maintain warranty coverage, though it still requires proper calibration.
- Aftermarket radar or camera-based BSM systems: Third-party kits offer BSM functionality using radar or camera sensors mounted on the bumper or along the vehicle’s sides. These systems can be installed by independent shops and may include integration with existing mirrors or a dedicated display. Compatibility, reliability, and calibration quality vary widely, and support for warranty coverage depends on the installer and product.
Regardless of the path chosen, a proper installation typically includes sensor alignment and a calibration procedure to ensure accurate detection and reliable alerts. Aftermarket solutions may require additional integration work to work seamlessly with other ADAS features like lane-keeping assist or cross-traffic alerts.
Important considerations before adding BSM
Before deciding how to add blind-spot monitoring, consider the following factors to avoid surprises after installation.
- Vehicle compatibility and sensor placement: Some vehicles have sensor housings that complicate retrofits. Sensor type (radar vs. camera) and mounting location affect performance and maintenance.
- Warranty and service implications: Aftermarket installs can affect factory warranties or require separate coverage for the new system. Check with the dealer and read the terms of any warranty.
- Calibration and diagnostics: Proper calibration is essential. Ask the installer whether they provide on-car calibration, live testing, and documentation of the procedure.
- Cost and value: OEM retrofit may be expensive but offers seamless integration; aftermarket options can be cheaper but may vary in reliability and how alerts are presented.
- System interoperability: If you already have other ADAS features (lane change assist, cross-traffic alert, automatic braking), ensure the new BSM will integrate without causing conflicting warnings or unwanted activations.
- Legal and safety considerations: There are no broad legal prohibitions on BSM, but ensure the system complies with local regulations and is installed by a qualified technician to maintain safety standards.
Careful planning helps you balance cost, reliability, and compatibility with your vehicle’s existing systems and warranty terms.
Steps to take if you want to proceed
Follow these practical steps to pursue a BSM retrofit with minimal risk and disruption to your vehicle’s operation.
- Identify your vehicle’s exact year, make, and model, and check whether OEM retrofit or official dealer-installed options exist for your car.
- Contact your dealership or the vehicle manufacturer to confirm compatibility, availability, pricing, and any impact on warranty or existing ADAS features.
- Request a written quote that includes parts, labor, calibration, and any required software updates or reprogramming.
- If considering an aftermarket kit, obtain a recommendation from a reputable installer with experience on your specific vehicle and request references or case studies.
- Schedule installation with a qualified technician who can perform proper calibration and verification of function, including a post-install test drive and documentation.
- Obtain documentation of the installation, calibration results, and any warranty information for future reference.
Upon completion, test the system in a safe environment to confirm that warnings appear when vehicles enter the blind spot and that notifications are clear and timely. Keep the installation records handy in case you sell the vehicle or need future service.
Summary
Adding blind-spot monitoring after purchase is commonly possible through OEM retrofit programs, dealer-installed options, or reputable aftermarket systems. Availability and cost depend on your car’s make, model, and year, and the installation should include proper sensor calibration to ensure accurate performance. Weigh the benefits of seamless OEM integration against the potential cost and variability of aftermarket solutions, and prioritize professional installation to protect safety, reliability, and any applicable warranties. With careful planning, you can improve visibility and reduce the risk of lane-change incidents without buying a new vehicle.
Can you add blind spot monitoring to a Wrangler?
Blind spot cameras can often be integrated into your Jeep Wrangler's infotainment system or dashboard display.
How much does it cost to add blind spot monitoring to a car?
Adding blind spot monitoring can cost anywhere from $200 to over $1,000, depending on whether you choose a DIY kit or professional installation, and the features you want. Basic aftermarket kits cost about $75-$300 for the parts, while professional installation will add at least another $200-$300, with high-end, factory-like systems costing up to $899-$1,199 or more installed.
Cost breakdown
- DIY Kits:
- Basic Kits ($75-$300): These are the most affordable options, often using ultrasonic sensors. They are generally less accurate than higher-end systems.
- Mid-Range to High-End Kits ($300-$500+): These systems use radar and offer better accuracy and features, like rear cross-traffic alert.
- Professional Installation:
- Basic installation adds at least $200-$300: to the cost of a DIY kit.
- High-end systems with features similar to factory-installed options can cost between $899 and $1,199 or more: when professionally installed.
- Factor in the type of system:
- Basic ultrasonic systems: Cheaper, but shorter-range and less reliable, especially in bad weather.
- High-end radar systems: More expensive, but offer longer range, higher accuracy, and more features.
What affects the cost
- System type: The technology used (ultrasonic vs. radar) significantly impacts the price.
- Installation method: Do it yourself, or have it professionally installed?
- Additional features: Does the system include features like rear cross-traffic alert or on-screen displays?
- Vehicle compatibility: Some vehicles may require more complex installation or specific kits.
How much does it cost to add blis to a car?
The total cost for aftermarket blind spot sensors, including professional installation, typically ranges from $450 to $1,000. The sensor kit itself costs between $250 and $500, with installation adding another $200 to $500 depending on the system's complexity and your vehicle.
Can you add safety features to an older car?
Yes, you can add modern safety features to an old car through aftermarket systems, such as installing a backup camera, blind spot detection, or a forward collision/lane departure warning system. You can also add an emergency assistance device like OnStar or a similar product that automatically contacts emergency services after an accident.
Types of safety features you can add
- Backup camera: These systems can be added to the rear of the car and send a wireless video feed to a monitor, which may be a separate screen or an upgraded rearview mirror.
- Blind spot detection: Sensors are installed on the sides of the vehicle to monitor blind spots and alert the driver with a visual cue on a side mirror or a separate display.
- Forward collision and lane departure warning: These systems use cameras to monitor the road ahead and will alert you if you drift out of your lane or if a collision is imminent.
- Emergency assistance: Devices like Hum by Verizon can be installed in cars built in 1996 or later and can automatically call for emergency services if an accident is detected.
- Tire pressure monitoring: Sensors can be attached to the tire valve stems and transmit pressure data to a base monitor or a smartphone app, alerting you to low tire pressure.
Important considerations
- Cost: Research the cost of both the equipment and installation. Compare the total cost with the option of buying a newer car.
- Aftermarket system quality: Read reviews of aftermarket systems to ensure you are purchasing a quality product.
- Professional installation: Consult a trusted mechanic for recommendations and installation to ensure the system is installed correctly and safely.
- Insurance coverage: Check with your insurance provider to see how aftermarket parts are covered in case of an accident. You may need to add specific coverage for the new equipment.
