Subject to the provisions of NRS 101.040, the obligee’s release or discharge of one or more of several obligors, or of one or more of joint, or of joint and several obligors, shall not discharge coobligors, against whom the obligee in writing and as part of the same transaction as the release or discharge expressly reserves his or her rights; and in the absence of such a reservation of rights shall discharge coobligors only to the extent provided in NRS 101.060.