Key Fob Replacement Fit for GMC Acadia 2017-2020 and Terrain 2018-2020

In this review the reviewer evaluates the Key Fob Replacement fit for GMC Acadia 2017-2020 and GMC Terrain 2018-2020. The bottom line: this is a near-OEM replacement key that includes the chip, battery and internal electronics, making it the best choice for owners who need a complete programmable remote shell rather than a bare case. It is suited to anyone comfortable arranging locksmith cutting and professional programming, and the single biggest reason to buy is that the unit provides a precision, ready-to-program substitute that matches original button layout and frequency.

Key Features

• Compatibility: Designed specifically to fit 2017-2020 GMC Acadia and 2018-2020 GMC Terrain remotes so buyers get the correct form and function.
• Complete unit: Supplied as a true complete key with chip, battery and internal electronics, which reduces parts swapping compared with a shell-only option.
• OEM frequencies and parts: Uses FCC ID HYQ1EA and matches part numbers 13508275 and 13523305 at 433MHZ for consistent radio performance.
• Durable construction: Mixed metal and plastic composition gives the keyfob case a solid feel intended to withstand daily use.
• Button fidelity: All five buttons work like the original remote, preserving remote start, lock and unlock functions when programmed correctly.
• Support: HelloAuto offers 6+1 months support and a 24-hour response promise for installation or receiving issues.

Who It's For

This key fob replacement is for GMC Acadia and Terrain owners who need a full replacement remote that will be programmed to their vehicle and are willing to have the uncut blank key cut by a local locksmith. It is especially useful when the original remote is lost or the shell and electronics have failed and a like-for-like replacement is desired.

It is not ideal for buyers expecting a plug-and-play swap without any outside assistance; the self-programming steps are complex and many users will prefer to hire a professional locksmith or dealer for programming and key cutting.

Pros & Cons

Pros

• Complete replacement with chip and battery means fewer parts to source and a straightforward path to programming.
• Accurate fit and button layout give an OEM look and consistent operation once programmed.
• Matches official FCC ID and part numbers, so radio frequency compatibility is reliable.
• Responsive post-purchase support from the seller for installation questions.

Cons

• Programming is complex and generally requires a professional locksmith, adding time and cost.
• The uncut blank key must be cut locally, so it is not a fully ready-to-drive solution out of the box.

Specifications

Fit	2017-2020 GMC Acadia; 2018-2020 GMC Terrain
FCC ID	HYQ1EA
Part Numbers	13508275, 13523305
Frequency	433MHZ
Includes	Chip, battery, internal electronics (uncut key blank)
Material	Mixed metal and plastic

Our Verdict

This replacement key fob is a practical, value-conscious option for GMC Acadia and Terrain owners who need a true complete remote that matches OEM frequency and part numbers. It saves the trouble of swapping electronics into an old shell, but adds the need for locksmith key cutting and professional programming; for buyers willing to arrange those services, it delivers reliable function and a close OEM fit.

Frequently Asked Questions

Can I program this key myself?
Self-programming steps are complex; you may attempt it with online guides, but professional locksmith programming is recommended.

Does the key come ready to use?
The key includes chip and battery but the metal blade is uncut and needs local locksmith cutting and programming before use.

Is this identical to the factory remote?
It matches FCC ID HYQ1EA and listed part numbers and replicates button functions, so it performs like the original once programmed.