Controls of WDG 4 # 12041. It was quiet clean cabin with no clutter. The big red button in centre is for driver to press every 60 sec otherwise alarm will sound. The two blue swithces are for horns at SHF and LHF end. The buttons near clip holder are for sanding and other operations. Sanatnagar (SNF), 11 June 2005. Shailesh Jasani.