Check handbrake warning came on in my Renault laguna?

The "Check Handbrake" warning in your Renault Laguna usually indicates an issue with the handbrake system, which could be due to low brake fluid, a malfunctioning brake switch, or a problem with the handbrake itself. First, ensure that the handbrake is fully released and check the brake fluid level. If the warning persists, it's advisable to have the vehicle inspected by a qualified mechanic to diagnose and resolve the issue safely.