Replace ignition key by 100,000 miles on Geo Prizm

By 100,000 miles the ignition key tends to wear out and should be replaced or it may not work as well in the door locks or ignition switch.
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Average mileage: 109,500 (94,000–125,000)
6 model years affected: 1990, 1991, 1992, 1993, more1994, 1997
8 people reported this problem
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Viewing 1 - 2 of 2 problem details
My ignition key wouldn't turn in the cylinder too, so I got out the spare key and it worked fine, much smoother in the door and trunk locks too, that was my problem, worn out ignition key. I'm going to get a new ignition key made as a spare now. Also, the Firestone Auto Repair Shop wanted to replace the whole Ignition Cylinder at a cost of $375.00.
1990 Geo Prizm 125,000 mi,
Key broke off in ignition and local mechanic had to find a used ignition replacemant. Hubby just tried to use the car but the steering wheel keeps locking in drive---back to mechabic tom!!Also,don't throw out old keys,they're still needed for doors and trunk.Are we having fun yet?