10 tips for travelling by car on holiday Prepare your carCheck the cooling system, oil level, and tire condition. Luggage Place heavy items at the bottom to lower the center of gravity. EyesightWear sunglasses, and prescription glasses if needed. Cell phoneKeep your mobile phone away or turned off to avoid distractions. Adequate clothingWear comfortable shoes and light clothing. Do not wear flip-flops or high heels. Documentation Don’t forget to bring personal documentation, including your ID card and driver’s license, as well as insurance and vehicle inspection papers. Plan your journeyAvoid peak days and hours, and take a break every two hours. Neither hot nor coldThe ideal cabin temperature is between 21 and 23 degrees Celsius. SpeedRespect speed limits and pay attention to signage. EmergenciesPrepare the vests and emergency triangles or lights.