Product description Compatibility Designed for Toyota 4RUNNER models: 2003–2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018. Material and protection Made from quality acrylic with a dustproof, waterproof surface. Protects the vehicle's original cup holders from water stains, condensation and spills. The set includes multiple coasters to cover daily use and provide convenient replacements when needed. Function and performance Nonslip surface provides grip to help keep cups and bottles stable and reduce sliding. Reduces rattling and noise caused by cups shifting while driving. Durable acrylic construction is easy to clean and maintain. LED lighting and sensor features Builtin sensitive light sensor and vibration sensor: lights automatically activate in the dark when they detect vibration. Lights turn off automatically after approximately 15 seconds of no vibration. Will not light during daytime; activates only at night for lowlight visibility and ambient lighting. Multicolor LED illumination adds a clear, noticeable accent to the cup holder area without distracting glare. Why you need these coasters Preserve the factory cup holder finish and avoid staining or damage from spilled drinks. Improve cabin comfort by reducing cup noise and preventing accidental spills. Add functional, automatic nighttime illumination that enhances visibility and aesthetics without manual control. Practical use scenarios 1. Night driving: automatic LED activation when you place a drink in the cup holder after dark, improving visibility and adding subtle interior lighting. 2. Daily commuting or road trips: secure grippage minimizes spills and noise when driving over bumps or making lane changes. 3. Rainy or humid conditions: waterproof material prevents condensation from pooling and staining the cup holder. Notes Maintains original product specifications and functions for the listed Toyota 4RUNNER model years. Simple to use and maintain; clean with a damp cloth as needed.