Glossary of Safety Terms: Vehicle Dynamics Integrated Management (VDIM)

Vehicle Dynamics Integrated Management (VDIM) What it is: The Vehicle Dynamics Integrated Management (VDIM) on the GS 430, RX 400h and Toyota Highlander Hybrid is a step beyond VSC in technology and performance. VDIM enhances handling, traction and braking systems that normally react to vehicle driving conditions by anticipating tire slippage before a skid, slide or wheel spin occurs and making corrections in a smooth, progressive way. How it works: VDIM uses an active control strategy that takes its cues from a comprehensive range of sensors involved in Vehicle Stability Control (VSC), Traction Control (TRC), Brake Assist (BA), Anti-Lock Brakes (ABS) and Electronic Throttle Control with intelligence (ETC-i). In addition, three new technologies are employed that are central to the effectiveness of VDIM: Electric Power Steering (EPS), Electronically Controlled Brakes (ECB), and in the GS 430 only, Variable Gear Ratio Steering (VGRS). VDIM integrates all of these elements with powerful proprietary software to help seamlessly manage the total vehicle dynamic package. What it feels like: Tight integration of all dynamic systems makes VDIM feel transparent to the driver. Since VDIM predicts and then works to prevent loss of vehicle control, the most noticeable characteristic of the system's operation is the vehicle's unusually predictable handling. How it benefits the driver: With all of the traction control technologies working together under the VDIM "umbrella," handling smoothness is dramatically enhanced. VDIM helps to improve handling and driving pleasure, even in the most challenging conditions.
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