[. . . ] proper carbon fiber care & maintenance : f or k s a nd c omp one n t s : Trek has been producing OCLV carbon bicycles since 1992. [. . . ] No matter what brand you ride, if you have crashed or impacted your bike (like when you forgot to take it off your roof rack when you drove into the garage), take your bike to your dealer for inspection. If you suspect any of them are true, stop riding your bike immediately and take it to your local dealer for inspection and evaluation. THE VISUAL TEST Frequently inspect your bike frame, fork and carbon components. · Look for any gouges or deep scratches, cracks, loose fibers or other surface flaws. · When cleaning your bike, pay attention to the cloth getting snagged. THE AUDIBLE TEST Be careful to listen for uncommon noises. · While riding your bike, carefully listen for any uncommon sounds. Creaking, cracking or popping noises could all be indications of a problem. THE TACTILE TEST Judging your bicycle's ride quality can be another method for discerning a potential problem. Things to be aware of include: · Any degradation in the shifting or braking performance. · A change in the bike's ride quality or handling characteristics. ! [. . . ] Take the bike to a dealer for inspection. For more information and to learn about Trek's Limited Lifetime Warranty and Crash Replacement Policy, visit your local dealer or www. trekbikes. com, or call Trek at 1. 800. 373. 4594 [. . . ]