Only if you have Driving Other Cars cover. This will be on your certificate of insurance. Please check your Certificate of Motor Insurance to see if you are insured to drive someone else’s car with their permission. The certificate will also show any exclusions that may apply. Remember – the main driver on your policy will be insured to drive someone else’s car with their permission with third party cover only. This means you are not covered for damage to the car you are driving, should you be in an accident.