A metal base which is fitted between the standard seat runners and the seat mounting point of a vehicle.

For drivers (or passengers) who have issues with bending the lower limbs in order to get into and out of a vehicle, or who load a manual wheelchair across the body to stow in the vehicle. 

Despite being called ‘extended seat runners’, the original runners are not physically extended: instead, the standard seat runners are remounted onto the metal base and repositioned further away from the controls. The seat slides backwards and forwards but provides additional space to get the lower limbs and/or a manual wheelchair, into the vehicle with less risk of contacting the driving controls. Depending on the vehicle and the make/model of seat extender, it is possible to gain an additional 9 inches of space.

Whilst this adaptation can be carried out on most vehicles it is best suited to a two-door vehicle which offers a larger door opening.  Often used in conjunction with extended door hinges.

• If you share the vehicle with another driver who requires a seating position close to the controls, ensure that they can still obtain a functional driving position given that the seat won’t slide as far forwards as it once did
• Leg space for rear passengers will be compromised  

Other drivers will need to ensure that a functional seating position for driving can be achieved.

B-Pillar can obstruct access.