The TCS says it has been inundated with call-outs as freezing temperatures grip the country.
Patrol officers carried out more than two thousand interventions on Monday alone - double the usual number.
Most were caused by flat batteries, which lose capacity in cold weather.
Drivers are being advised to switch off power-hungry devices before starting their cars.
The motoring organisation also warns that leaving engines running unnecessarily is illegal and can lead to an on-the-spot fine.
Swiss Post announce job cuts
Swiss Post will eliminate up to 110 positions in 2027, blaming shrinking letter volumes and fewer over-the-counter transactions
Autumn arrives in Switzerland
The heatwave that has gripped Switzerland since May finally breaks tomorrow
Driver warning in Vaud
Drivers in western Vaud face four nights of disruption on the A1 next week.
Mixed results in school classrooms
Swiss 15-year-olds still rank among the world's best in maths and science, but their performance in reading and maths is sliding
Good news for household bills
Swiss households will pay a little less for electricity next year
Fuel reserves now in use
Switzerland is dipping into its emergency fuel reserves for the first time this year to keep petrol and diesel flowing
