About your 2000 Honda Accord, not going into gear, the first step is to check whether or not there is transmission fluid. Making sure the fluid is fill is very important. This would effect the vehicle not being able to shift into gears. Thanks.
You can find a Certified AskPatty Repair shop at this link: http://www.askpatty.com/search/?type=all&m=30&q=&keyword=
They should be able to help you diagnose and repair the problem.
〉 Answered on Oct 28th, 2015 by Maryann Croce, Owner at Croce’s Transmission Specialists