SR22T pilot reported the CO2 alarm activated during cruise and he landed as a precaution.

Attributes
ACN	1421227
Time
Date	201701
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	SR22
Operating Under FAR Part	Part 91
Flight Phase	Cruise
Route In Use	Direct
Flight Plan	VFR
Person 1
Function	Single Pilot
Qualification	Flight Crew Private
Experience	Flight Crew Last 90 Days 25 Flight Crew Total 680 Flight Crew Type 640
Events
Anomaly	Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor

Narrative:

During cruise at 6500 MSL the CO2 alarm went on for approximately 3 seconds. As I looked up the checklist; the alarm came on again a few minutes later for a few seconds. I turned air on (air was off) and opened the vents. CO2 alarm went away. I landed as a precaution.

Original NASA ASRS Text

Title: SR22T pilot reported the CO2 alarm activated during cruise and he landed as a precaution.

Narrative: During cruise at 6500 MSL the CO2 alarm went on for approximately 3 seconds. As I looked up the checklist; the alarm came on again a few minutes later for a few seconds. I turned air on (air was off) and opened the vents. CO2 alarm went away. I landed as a precaution.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.