Summer breakdowns in the UAE cluster around cooling systems, and the pattern is predictable. A cooling system that was marginal in February, a slightly weak water pump, an ageing radiator fan, coolant a year past its change, has no headroom left when ambient temperature passes 45 degrees and the AC condenser is dumping its own heat in front of the radiator. Stop-start traffic is the killer, because airflow through the radiator drops to whatever the fans can pull. If the temperature needle climbs past its normal mark, turn the AC off, turn the cabin heater on full, which sounds absurd but bleeds engine heat into the cabin, and get off the road at the first safe opportunity.
Once stopped, the rule that protects you from a hospital visit: never open the radiator or coolant reservoir cap while the engine is hot. The system is pressurised and the escaping steam and coolant are well above 100 degrees. Let it cool for a genuine half hour. A roadside technician attending an overheating call, typically AED 200-400, will check for the visible causes: a split hose, a failed fan, a leaking radiator seam, low coolant with no obvious leak. A top-up and a fan diagnosis can put a mildly overheating car back on the road to a workshop under its own power, driven gently in the cool part of the evening.