RepairPal Certified shops can diagnose and repair your 1999 Dodge Intrepid. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Ensure the shift lever is firmly engaged in the "Park" position. This can engage the shift interlock to release the key. It could be that your key has worn out, or the tumblers in the ignition lock cylinder are suspect also. You may need to have a locksmith or local shop involved hands on. Good luck!