Carol has suitable tyres for mountain roads, she goes go for a walk in damp weather if rain eases up, she goes out early for long walks, later for short walks, the local mountain rivers are shallow and rocky bedded, so her car would not slide in and under water, the lakes are either so heavily populated around that she would be noticed, or there is Lac Du Vallon where you park up before going to walk by it. These are suggestions that have been looked at soon after the alarm was raised, and answered in pm's or early on in the threads.