The availability of optional extras depends on the car rental agent in Ubon Ratchathani and even if they are booked online they are not guaranteed. The following extras can be booked on Autoprio.com: Ski Rack, Snow Tyres, GPS – Satellite Navigational System, Snow Chain Set, Infant child seat, Roof Rack, Wi-Fi Access, Additional driver, Luggage racks, Booster seat, Child toddler seat and Electronic toll pass. Please note that most of the optional extras are not included in the rental price and can be purchased at the time of booking or at the rental desk in Ubon Ratchathani. The cost of the optional extras are displayed at time of booking in the Rental Conditions.