Severity: Fix within days. Drive with caution and watch for new symptoms.
The computer does not recognize the key or fob being used, so the anti-theft system may prevent the engine from starting.
Try the spare key, replace the fob battery, and have the key reprogrammed if needed.
The car may not start at all. Try the spare key first.
You can drive short distances carefully; watch for worsening symptoms. The car may not start at all. Try the spare key first.
The most common causes are: Wrong or unprogrammed key; Dead key fob battery; Failed immobilizer antenna; Failing engine computer. A scan tool and a visual check of the parts above is where a technician starts.
Try the spare key, replace the fob battery, and have the key reprogrammed if needed.
