The Changan Cos 1's coupe-crossover shape looks best without a step hanging beneath it — which is exactly why an automatic one makes sense. Decoin's power step for the Cos 1 stays hidden until a door opens, then extends to offer secure footing before tucking away again. Below you'll find the running board and power step kit built specifically for this model, ready to bolt on without drilling or rewiring your Cos 1's factory setup.
The Changan Cos 1 pairs coupe-inspired styling with everyday crossover practicality, and a set of electric running boards makes that low, sporty stance even more usable. Instead of a fixed step that can scrape on speed bumps or steep driveways, Decoin's motorized side step for the Cos 1 tucks neatly beneath the rocker panel and only extends the instant a door opens, giving you a solid foothold before it retracts out of sight the moment you're back on the road.
For drivers who load groceries, carry kids, or simply want a cleaner entry after a long day, that automatic movement matters. The step deploys at a height calibrated to the Cos 1's ride height, reducing the stretch or twist that a taller step would otherwise demand and making it noticeably easier for older passengers or younger children to climb aboard safely.
Beyond function, the finish is built to match the Cos 1's design-led image — a textured, non-slip surface in a black or brushed finish that blends into the body rather than standing out as an aftermarket add-on. The housing is sealed against road grime, salt, and moisture, so the mechanism keeps working cleanly through wet seasons and winter driving.
Installation bolts to existing factory mounting points, with no drilling and no rewiring beyond a simple door-trigger connection, so most owners have the boards fitted and calibrated in an afternoon.
Will an electric running board affect the Cos 1's ground clearance? No — the step retracts fully under the rocker panel when the doors are closed, so it doesn't reduce clearance while driving.
Does it require any cutting or drilling to install? No. The kit uses the Cos 1's existing mounting points and a plug-in door-trigger connection.
How is the step protected from rain and road salt? The motor and hinge assembly are sealed, and the running surface is treated to resist corrosion and slipping in wet conditions.
Explore the full range of Changan electric running boards and power steps to find the right fit for your other vehicles too.
