Hyundai Grandeur GN7 Power Tailgate Retrofit Review

Upgrade Your Grandeur GN7 with an OEM Power Tailgate

For owners of the Hyundai Grandeur GN7, the convenience of a power tailgate can significantly enhance the daily driving experience. If your vehicle didn't come equipped with this feature from the factory, a retrofit using genuine OEM parts offers a seamless way to add this functionality. This review explores the process, benefits, and considerations of installing an OEM power tailgate on your Grandeur GN7.

Why Consider a Power Tailgate Retrofit?

The Hyundai Grandeur GN7, while a premium sedan, may not include a power tailgate as standard on all trims. For those who frequently use their trunk, a manual tailgate can be a daily inconvenience, especially when your hands are full or the weather is inclement. Installing an OEM power tailgate system transforms this by allowing you to open and close the trunk with the simple press of a button, either from inside the cabin, via the exterior trunk button, or using your smart key. This upgrade not only adds convenience but also brings your vehicle's functionality up to par with higher trims or newer models, using parts designed specifically for your car.

The OEM Installation Process

When opting for an OEM retrofit, the installation process prioritizes maintaining the factory look and feel of your Grandeur GN7. The process typically involves replacing the existing manual trunk components with genuine Hyundai Mobis parts. This includes the power latch, control module, and gas struts (shocks). New interior and exterior switches are also integrated to control the power tailgate function. Crucially, all wiring and connectors used are OEM, ensuring perfect compatibility and integration with your vehicle's electrical system. After installation, the system is activated through diagnostic coding, enabling features like trunk height adjustment via the navigation screen and the 'smart trunk' function, which automatically opens the tailgate when you approach the rear of the car with the smart key.

Installation Process:

1. Removal of existing manual trunk components (latch, shocks).
2. Installation of new OEM power tailgate components: power latch, control module, and power struts.
3. Integration of new interior and exterior control switches.
4. Wiring and connection using genuine OEM connectors for seamless integration.
5. Diagnostic coding to activate all power tailgate functions, including smart trunk and height adjustment.

Results and Durability

The result of an OEM power tailgate installation is a fully functional, factory-integrated system. You'll gain the ability to operate the trunk remotely, via interior buttons, and through the exterior trunk release. The 'smart trunk' feature adds a significant layer of convenience, automatically opening the tailgate when you stand near it with the smart key. The system also allows for programmable trunk height adjustment through the infotainment system, preventing the tailgate from opening too high in garages with low ceilings. Durability is a key advantage of using OEM parts; these components are designed to withstand the rigors of daily use and are built to last the lifetime of the vehicle. Maintenance is generally minimal, similar to any other powered component on your car, though it's wise to keep the trunk area clean and free of obstructions.

The original context for this installation was provided by a service provider in South Korea. While specific pricing in USD isn't directly stated, the Korean market price is estimated between 700,000 to 1,200,000 KRW, which translates to approximately $75–$115 USD based on current exchange rates. This cost can vary depending on the specific parts used and the complexity of the installation. The typical installation time is between 3 to 5 hours. Post-installation, a warranty is usually provided by the installer, though terms vary. It's also important to note that software updates for the vehicle could potentially reset the tailgate functions, necessitating a periodic check-up.