Shock Pro Series with Hose Attachment. Clean and vacuum the vehicle. Pass the ozone generator's discharge hose through a partially open car window. Keep the ozone generator positioned outside of the vehicle. Start the vehicle and run the climate system until the temperature is about 75°F, then turn off the vehicle. Set the ozone generator's timer for the run time specified in the manual, start the ozone machine and leave the area being treated. Open the doors and windows to air out the vehicle before using.