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.
G7 protest becomes violent
Geneva remains on edge after anti-G7 demonstrations descended into violence ahead of the summit in neighbouring Evian yesterday evening.
G7 summit opens today
The G7 summit opens today in Evian, just across Lake Geneva, with Emmanuel Macron welcoming Donald Trump and other world leaders at the Hôtel Royal.
Voters reject 10m, but accept tougher military rules
Voters have rejected the ‘No to 10 Million’ initiative. But commentators say the strength of the yes vote is still a cause of concern for the government.
Iran/US deal set to be signed in Geneva
A major diplomatic breakthrough appears to have been reached in the Middle East, and a deal will be signed in Switzerland.
More Sunday shopping in Geneva
Geneva voters have narrowly backed two controversial measures.
Thousands join feminist marches
Thousands of people across the country have taken part in feminist strike events calling for equal pay, an end to gender-based violence and greater rights for women.
