Car won't start on a cold morning
Cold weather cuts the power a battery can deliver while the engine oil gets thicker and harder to turn, so a weak battery often gives out on the first cold morning. A jump start usually gets you going; if it happens again on the next cold day, replace the battery.
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Likely causes
- Battery already weakened by last summer's heat
- Cold cutting the battery's available power
- Thick engine oil making the engine harder to crank
- Heater, defroster or lights left on from the night before
- Corroded terminals
Try this first
- Turn off the heater, defroster, lights and radio before starting
- Crank for just a few seconds at a time, then rest about a minute
- Press the clutch in if you drive a manual
- Wait indoors instead of sitting in a cold car for a long time
When to call us
- It cranks slower with each try
- It just clicks
- You need to be somewhere this morning and can't wait for the day to warm up
Call (469) 619-8700 or request online.
In danger or blocking traffic? Call 911 first.
We come to where your car is
Day or night: your driveway, the parking garage at work or the shoulder of the freeway.

Questions
01Will the car start once it warms up outside?
Sometimes a borderline battery will start later in the day, but don't count on it. A battery that fails in the cold is telling you it's weak.
02Can I warm up the car in the garage after a jump?
Never run the engine in a closed garage. Exhaust fumes build up and can be deadly. Open the garage door fully or move the car outside before letting it idle.
Also useful
- Car clicks but won't start
- Car won't start and makes no sound
- Car cranks slowly or struggles to start
- Car dies right after a jump start
- Battery light came on while driving
- Push-button start car won't start
- How Long Car Batteries Last in Texas Heat
- Signs Your Car Battery Is Dying
- AGM vs. Flooded Car Batteries: What's the Difference?
- Cold Cranking Amps (CCA) Explained
