Here is the full list of all 63 Car Detailing Simulator achievements.
Water computer
Wash 50 cars
Pressure washer time
Buy auto salon
Buy all upgrades
Get 10 rep
Find unique
Buy all toolkits
Use automatic polisher
Use paint meter
Use small brush
Sell lower price
Use sponge
Fix trash
Use trash can
Stairs ride
Wash 10 cars
Buy shed car
Repair garage
Buy garage
Return dirty
Get 5 rep
Use soft brush
Use wide brush
Fix seat
Use sand paper
Buy window toolkit
Buy wheel toolkit
Buy interior toolkit
Buy garage upgrade
Buy seat toolkit
Finish tutorial
Get 2 rep
Wash 1 car
Fix scratches
Use hand polisher
Use flashlight
Buy finish toolkit
Open memory
Take photo
Buy body toolkit
Buy one toolkit
Use vacuum
Use rag
Use seat spray
Use window spray
Use pressure washer
Buy lights toolkit
Fix body
Fix windows
Fix wheels
Finish game
Wash 100 cars
Wash 500 cars
Get 15 rep
Make money
Overtime
See credits
Fix ufo
Car 1 minute
Long session
Find turtle