2008 Mazda MAZDA3 Owner's Manual - Page 120

Driving Your Mazda Starting and Driving Ignition Switch qIgnition Switch Positions Automatic transaxle To turn the key from the ACC to the LOCK position, the shift lever must be in the P position. Shift lever engaged in P (park) LOCK The steering wheel locks to protect against theft. Only in this position can the key be removed. Manual transaxle To turn the key from the ACC to the LOCK position, push the button when the key is at the ACC position, then turn the key to the LOCK position. Button Push the button 5-2