These instructions apply to the Chevrolet Impala Mk9 (W-body) 2006-2013.
For other models, please choose your vehicle here.
Before electrical work on a 2006–2013 Chevrolet Impala you disconnect the 12 V battery, negative first. This is the US-market procedure.
- Ignition off, key out, doors closed a couple of minutes; eye protection on.
- Open the hood; the 12 V battery is in the engine compartment.
- Remove the negative (−, black) cable first, then the positive (+, red).
- Reconnect positive first, negative last and tighten both.
- Reset the clock and radio presets.
FAQ
Is the battery in the trunk or under a seat?
No — on the 2006–2013 Impala the battery is under the hood in the engine compartment.
Which cable first?
Negative off first, negative on last. Note an airbag can still deploy for a short time after the battery is disconnected.
Anything to relearn?
Clock, presets, and the TPMS (relearn with the key fob).
If your Impala stores a fault code with the warning light, look it up on autodtcs.com.
Independent guide — not affiliated with Chevrolet. Always follow your official service manual and safety precautions. Read our full disclaimer.