Using your Marin Rift Zone 3 is a breeze. Just hop on, adjust your seat height for comfort, and start pedaling. This bike is great for both casual trail rides and more intense mountain biking adventures. When riding, use the different gears to adapt to various terrains. For uphill climbs, shift to lower gears; for flat or downhill sections, higher gears work better. As for braking, the powerful Shimano disc brakes offer excellent stopping power, but use them gently to avoid sudden stops that could cause you to lose balance. When it comes to maintenance, keep your bike clean after every ride. Wash it with a gentle soap and water, and dry it thoroughly to prevent rust. Check the tire pressure regularly, and make sure it's at the recommended level for optimal performance. Also, lubricate the chain every few rides to keep it running smoothly. If you notice any issues like strange noises or loose parts, have a professional bike mechanic take a look at it.