The Lago Maggiore region can easily be reached by car: from the south, on the motorway trough the northern Italian lake district, from Milan to the Swiss border at Chiasso-Brogeda and further following the motorway A2 direction north, following the signposting "Gottardo" and passing the towns Mendrisio, Lugano, Bellinzona (cross road to Locarno and lake Maggiore) up to Airolo. Arriving from the north, follow the motorway A2 to Bellinzona (exit Bellinzona south, following the signposting for Locarno and Lago Maggiore). From the north also passing the Sempione pass road, following the E62 to Domodossola, and then following the indications for Locarno and the SS337 (Valle Vigezzo). The Ticino roads are very safe and up to date.
Lights on: Now also in the daytime.
In Switzerland, it is a legal requirement that all motorised vehicle users have their lights switched on during the daytime.
See also: TCS - Infostrada (in italian)