asking for code
installed new air mass sensor and car runs better than ever. when i turn on the radio ( CODES ) appears with the (C) flashing continuously . not knowing ( stupid ) i hit #5 on presets and now i have 5_ _ _ _ _ . can anyone tell me how to clear and install correct code it is asking for . when i installed new sensor it wouldn't crank - disconnected ground to battery for approx. 2 min. connected ground - car cranked and has run perfectly . but , i am fearful of driving because of code . can you help and will it damage car to drive without code ? please help if you can .