This content was compiled automatically and has not yet been reviewed by a technician. For reference only.
For reference only. Always confirm part numbers and procedures for your specific vehicle.
Fault diagnosis
MG ZS: Reduced remote range or flashing anti-theft warning light
The key's locking/unlocking range is significantly reduced, or the engine immobilizer warning light flashes.
MG ZS: Reduced remote range or flashing anti-theft warning light
Symptoms
- The key's locking/unlocking range is significantly reduced, or the engine immobilizer warning light flashes. [1]
Possible causes
- The manual lists these conditions as criteria for checking key battery replacement and also notes that radio frequency interference affects the key. [1]
Checks
- Distinguish low battery charge from external interference, and check this vehicle's key battery condition. [1]
What to do
- Service according to the actual vehicle's key specifications; not every failure to start can be attributed to the key battery. [1]
Applicability and limits
- Only applies to the English manual from the official European website and to the corresponding ZS configuration among the combustion-engine configurations described; the manual date is not treated as an applicable model year. No actual vehicle model has been linked. Do not extend to models with the same name, other powertrains or other markets. Scope: unknown [1]
- Only applies to the specific configuration in the cited manual; do not assume applicability to all vehicles with the same model name
Related part categories
- Low-voltage system / Smart key battery / Keys and body electrical system [1]
Sources
[Source 1] MG ZS English Owner's Manual from the Official European Website — PDF pp.163 / printed pp.147, Replacing the Battery (accessed 2026-11-01)
https://cdn.mgmotor.eu/manuals/1.-ZS_Owners-Manual_ENG.pdf
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