Spare remote key — purchase and programming

Tags: #price · #low-confidence

Purchase: a 433 MHz full smart-remote key fob compatible with FAW Bestune X80/B70/B90 is available on AliExpress — price 5,849 RUB (RU market, December 2024) with a 50% discount during promotions (link: https://sl.aliexpress.ru/p?key=gvUZGyw), foldable design (low- confidence report) ¹.

Programming and auto-start bypass: spare-key programming requires a visit to an authorized dealer. If a remote auto-start system is installed, a bypass key is normally stored in the glove box for emergency access. A second key can also be made as a duplicate of the primary key ²³⁴⁵⁶.

Self-service reprogramming procedure (no dealer visit needed): if a key fob loses its programming or stops locking/unlocking, two documented DIY methods can restore it (both apply to FAW Besturn X80, B70, and B90): Method 1: (1) close all doors, then open the driver door; (2) insert the key and turn it to ACC→ON five times, stopping on ON; (3) open-close the car doors 5 times, stopping when closed (central lock should engage — this confirms programming mode is active); (4) press LOCK→UNLOCK→LOCK on the fob to complete programming. Method 2: (1) close all doors, open the driver door; (2) turn the key ACC→ACC-ON five times, ending on ON; (3) close-open the door 5–6 times, stopping closed (central control becomes active — programming mode entered); (4) press UNLOCK once, then LOCK once on the fob (or press LOCK+UNLOCK simultaneously) ⁷⁸.

Key fob battery lifespan — can be exceptionally long: X80 key fob batteries can last 8–9 years before needing replacement. One owner reported using the same key since 2017 without ever changing the battery. Signs of a failing battery: the remote only works from very close range, then eventually stops responding entirely. The mechanical (physical) key function is unaffected by battery state ⁹¹⁰¹¹.

Key fob battery replacement — physical disassembly procedure: to replace the coin-cell battery inside an X80 key fob: (1) open the main fob cover; (2) locate a small clip/latch in the center slot of the fob; (3) press the center clip to unlock the battery compartment; (4) access and replace the battery. Note: identifying and operating the center-clip mechanism takes some trial and error — several owners found the design non-obvious ¹²¹³¹⁴.

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• TPMS sensor prices and costs (RU market)

Sources

This page is compiled from 14 community messages. Every fact carries a numbered reference to its original author and message.

Last updated: 2026-10-29