2008 Chevrolet HHR Owner's Manual - Page 336

20. If the tire pressure has fallen more then 10 psi (68 kPa), below the recommended inflation pressure, stop driving the vehicle. The tire is too severely damaged and the tire sealant and compressor kit cannot seal the tire. See Roadside Assistance Program on page 7-6 for more information. 21. Wipe off any sealant from the wheel, tire and vehicle with a rag. 22. Dispose of the sealant canister at a local dealer/retailer or in accordance with any local, state, and provincial codes and practices. After using the sealant canister, replace it with a new canister from a dealer/retailer. 23. After temporarily sealing a tire with the tire sealant and compressor kit, take your vehicle to an authorized dealer/retailer to have the tire inspected and repaired. Using the Air Compressor without Sealant to Inflate an Underinflated Tire (Not Punctured) To use the air compressor to inflate a tire with air only and not sealant: 1. Remove the air compressor inflating hose connector from the bottom of the air compressor. 2. Unlock the air compressor hose from the sealant canister by pulling up on the lever. 3. Pull the air compressor inflator hose from the sealant canister. 5-82