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warning Cadillac
Error Code REPLACE BATTERY IN REMOTE KEY
The remote key battery is low.
? What Causes This
Low battery power in the remote key transmitter.
✓ How to Fix It
Replace the CR2032 battery inside the key, being careful not to touch circuitry. If necessary, see step-by-step instructions under 'Battery Replacement'.
Source: page 41 of the official manual
From the manual
This error code appears in:
Cadillac 2012 SRX Crossover SUV