2014 Cadillac CTS Owner Manual - Page 290

10-26 Vehicle Care 4. Start and run the engine for at least 30 seconds. All-Wheel Drive If the vehicle is equipped with All-Wheel-Drive (AWD), this is an additional system that needs lubrication. How to Check Lubricant Vehicle Storage { Warning Batteries have acid that can burn you and gas that can explode. You can be badly hurt if you are not careful. See Jump Starting on page 10-64 for tips on working around a battery without getting hurt. Infrequent Usage: Remove the black, negative (−) cable from the battery to keep the battery from running down. Extended Storage: Remove the black, negative (−) cable from the battery or use a battery trickle charger. Transfer Case When to Check Lubricant It is not necessary to regularly check the transfer case fluid unless a leak is suspected or an unusual noise is heard. A fluid loss could indicate a problem. Have it inspected and repaired. 1. Fill Plug